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Re:New HIV vaccine shows unprecedented success in preclinica... by RGS1811 on Tuesday July 28, 2026 @09:29AM (#49083561)
While HIV vaccine research is an exciting field, it's worth pointing out that halting HIV transmission is, practically speaking, a solved problem with oral and injectable reverse transcriptase inhibitors. The ongoing loss of life and health due to HIV could be stopped if we cared enough to invest resources in wide-scale PrEP availability and public health education. Waiting for an HIV vaccine is the domain equivalent of hoping fusion power will solve our energy needs. Other solutions exist already; we just have to use them.
Re:New HIV vaccine shows unprecedented success in preclinica... by jonathanlydall on Tuesday July 28, 2026 @10:34AM (#49084571)
You could say the same about teen pregnancy being a practically solved problem, except there is still the problem of teen pregnancy. Or even something more mundane as driving consistently safely all the time to solve the problem of accidents.

If everyone was disciplined all the time in regard to everything, many problems in the world would simply not exist. But we live in reality where for whatever reason, people don't know to do something, or they do know and they're just not disciplined, or they make a mistake due to extenuating circumstances. And I would expect that the vast majority of people would oppose any idea of somehow punitively "dealing with" people who get some things wrong.

So I would say that it's very evidently not a practically solved problem, because if it were we wouldn't be looking to solve it still.

Within this reality, a vaccine is a great additional tool at solving the problem of preventing the spread of HIV.

Re:New HIV vaccine shows unprecedented success in preclinica... by cj on Tuesday July 28, 2026 @10:59AM (#49084950)
Taking teen pregnancy as an example: we have the tools to avoid it. We have condoms, we have birth control, we have the morning after pill, we have abortion. We have all the tools -- are more tools really going to help? The fact that teen pregnancy is still an issue is not because we lack the tools to solve it.

HIV prevention is similar. We already have the tools. We have condoms. We have PrEP. Sure, a vaccine would be nice, but if someone is unwilling to go on PrEP, why would they suddenly be willing to get a vaccine?

Another tool isn't going to hurt, obviously. But it also isn't the #1 highest leverage place to be spending our time if the goal is to reduce HIV transmission. (It is, however, a great use of time to develop a vaccine if you're profit-motivated. HIV prevention is a massive business. 1 year of PrEP in the US costs $20-30k, although luckily ACA mandates $0 copay. I could imagine a $50k HIV vaccine being a blockbuster drug especially if ACA also mandates $0 copay - tons of money to be made! Ugh)

Edit: To be clear, I'm excited there's a promising vaccine. However, I am not getting my hopes up that a vaccine will magically cure all of the social/political issues getting in the way of a vaccine actually being widely distributed and administered.

Re:New HIV vaccine shows unprecedented success in preclinica... by cguess on Tuesday July 28, 2026 @11:10AM (#49085123)
> but if someone is unwilling to go on PrEP, why would they suddenly be willing to get a vaccine?

Because PrEP at even its best and most modern version requires an update every six months for life. If you're well-off and in SF or NYC or London that might be easy, but there's so many externalities such as:

- People who misjudge the risk they're at, so don't go on the meds in the first place

- People who live in regions where getting to a doctor even every six months is a challenge

- The six-month injection is extraordinarily expensive and a life-time treatment, for a disease you don't even have yet.

If instead it becomes a once-in-a-lifetime series of shot, like many other vaccines are already, we can start considering a path to extinguishing the disease, not just teaching people to live with it.

Then there's the financial savings of a series of three shots once vs a lifetime of them.

Re:New HIV vaccine shows unprecedented success in preclinica... by tallanvor on Tuesday July 28, 2026 @01:38PM (#49087327)
That's absolutely not correct. Truvada has had the same formulation since it was introduced in 2012. Descovy hasn't changed since it was approved in 2019.

You may be thinking of STD tests and bloodwork that is done every 3-6 months depending on your risk level to ensure that you're still HIV negative and that your kidneys are functioning normally, as kidney issues is a rare but serious side effect, especially for Truvada.

Now, what I believe is correct is that most people on PrEP would love to have a vaccine instead of needing a daily pill or even 2-6 injections per year as long as they remain sexually active.

Re:New HIV vaccine shows unprecedented success in preclinica... by sterlind on Tuesday July 28, 2026 @04:40PM (#49089643)
I think by "update" they mean "re-up," as in you need another depot injection every six months.
Re:New HIV vaccine shows unprecedented success in preclinica... by ChrisMarshallNY on Tuesday July 28, 2026 @11:07AM (#49085091)
It's still killing people like crazy (and spreading) in undeveloped nations. The new drugs are un-cheap.

Also, I believe that we just DOGEd our only vehicle for distributing these to underdeveloped nations.

Re:New HIV vaccine shows unprecedented success in preclinica... by cguess on Tuesday July 28, 2026 @11:11AM (#49085140)
We did, Musk has sentenced hundreds of thousands, if not millions, to death by dismantling USAID.
Re:New HIV vaccine shows unprecedented success in preclinica... by xeonmc on Tuesday July 28, 2026 @11:57AM (#49085833)
Considering his family history and his weird eugenic tirades, perhaps that was the intended effect to complete his fantasy cosplaying as a Roman general.
Re:New HIV vaccine shows unprecedented success in preclinica... by solid_fuel on Tuesday July 28, 2026 @08:56PM (#49092088)
His actions were certainly motivated by both his racism and contempt for people from poor countries. Frankly he should spend the rest of his life in a small cell somewhere.
Re:New HIV vaccine shows unprecedented success in preclinica... by noir_lord on Tuesday July 28, 2026 @11:27AM (#49085368)
He’s a lovely individual really, just a boon to humanity all around.
Re:New HIV vaccine shows unprecedented success in preclinica... by xienze on Tuesday July 28, 2026 @12:14PM (#49086106)
> Musk has sentenced hundreds of thousands, if not millions, to death by dismantling USAID.

Why haven't other countries stepped up to address this pressing need? I'm sure every other western nation could easily chip in collectively to cover the roughly $34B budget USAID had. Or do they just not care about these millions of people apparently sentenced to death?

Re:New HIV vaccine shows unprecedented success in preclinica... by cguess on Tuesday July 28, 2026 @12:18PM (#49086185)
France and England are trying.

The problem is money doesn't build supply lines overnight. Nor does it hire experts both locally and globally and get them there. Much of the data collected on patients by USAID can't just be handed over to another government for a myriad of privacy issues. Patients then have to know that their old clinic no longer exists and they have to go to a new one (is it in the same village anymore?). In the meantime viral counts go up, people get sick, infect their partners or newborn children. You can't just "pick it up later" without causing real harm.

> or do they not care

Do we not? Why can't we care, why is it now someone else's problem because Musk is still mad Mandela was let off of Robin Island?

Re:New HIV vaccine shows unprecedented success in preclinica... by egeozcan on Tuesday July 28, 2026 @11:07AM (#49085085)
All the tools we have against teen pregnancy need teens making right decisions, or taking corrective actions.

If there were a pill that'd block pregnancy for X years, given at the age of Y, then parents could enforce it and teen pregnancy would be solved (also it'd be very cruel but I'm just trying to make a point so bear with me).

Going back to our topic: People could also forget PrEP, be drunk and forget to wear a condom and so on. If this vaccine (or vaccine series) creates a somewhat permanent protection, it'd make a huge difference.

Re:New HIV vaccine shows unprecedented success in preclinica... by kazinator on Tuesday July 28, 2026 @11:19AM (#49085265)
I'm not following the points in the above thread.

- people need to make the right decisions to take oral or injectable reverse transcriptase inhibitors

- people need to make the right decisions to take HIV vaccines

We are comparing two tools, not tools versus discipline.

In some ways these reverse transcriptase inhibitors are like a vaccine, in that they can be taken by people who don't have HIV, for protection.

They are inconvenient, requiring regular injections every few months or timing protocols for the oral versions.

An effective vaccine that lasts years would be much more convenient.

Without a HIV vaccine, the toolkit has a gaping lack; another tool is needed!

Re:New HIV vaccine shows unprecedented success in preclinica... by fluoridation on Tuesday July 28, 2026 @12:18PM (#49086174)
No, nothing is being compared. The question being posed is, if there are already tools to prevent HIV transmission (condoms, drugs, etc.) and someone doesn't use them, why would they use a vaccine?
Re:New HIV vaccine shows unprecedented success in preclinica... by throwway120385 on Tuesday July 28, 2026 @12:24PM (#49086295)
Because a vaccine is much easier for the doctor to administer and manage. My GP won't put condoms on me but they do have a list of shots I get basically once and then never again.
Re:New HIV vaccine shows unprecedented success in preclinica... by kazinator on Tuesday July 28, 2026 @08:25PM (#49091841)
Right; that's a better framing.

1. Some people don't use tools. (For instance, we have spellcheckers, but people don't use them or ignore them.)

2. So of what use is another tool? (Why develop a grammar checker?)

See the problem? For the people who do use tools, there are useful differences among them. Some users of spell checkers will welcome the grammar checker.

Some of those who would use drugs to prevent transmission will gladly switch to the vaccine, which is more convenient for them.

But there is also this: the inconvenient drugs that block transmission are mainly used by HIV positive people and people who are exposed to them. Someone not in that situation is not going to get on a train of injections every three months. (I've never even heard of these drugs until this submission and its discussion threads.) Whereas a HIV vaccine could be something more interesting to the general population. There will likely be some people who get the vaccine who ignored the transmission-blocking drugs.

Sometimes when you add a different tool to the arsenal, non-users of the tool arsenal come around.

E.g. lots of DIY tinkerers use USB oscilloscopes, who have never owned a big one. The invention and marketing of the USB scope turned them into users. The vendors of that could have axed the idea by saying, what's the use of this idea: we already have oscilloscopes? Those who don't have them already are not going to be interested in this.

There are right tools for the right job, but also the right tools for the right people in the right circumstances.

Re:New HIV vaccine shows unprecedented success in preclinica... by fluoridation on Wednesday July 29, 2026 @12:13AM (#49093338)
>2. So of what use is another tool? (Why develop a grammar checker?)

This isn't quite the right analogy, because a vaccine doesn't do something different from PrEP, it just does it in a different way. At the individual level it might make a compelling case (but more of that in a bit), but for the systemic purpose of eradicating the disease, not so much; not until it's given out during childhood like other vaccines.

>But there is also this: the inconvenient drugs that block transmission are mainly used by HIV positive people and people who are exposed to them. Someone not in that situation is not going to get on a train of injections every three months. (I've never even heard of these drugs until this submission and its discussion threads.) Whereas a HIV vaccine could be something more interesting to the general population. There will likely be some people who get the vaccine who ignored the transmission-blocking drugs.

The fact of the matter is, HIV is a shitty virus, by which I mean it's an inefficacious one. It has a bad spreading mechanism and it has effects that are too severe and too obvious. The reason people ignore those drugs (besides them being expensive) is that HIV is so rare, and there are overall better methods to avoid catching it. So most people will likely never have sex with a carrier, and of those who would, most will already be using condoms. Among this latter group, I don't know that a vaccine is that compelling. HIV is not the only infection you can contract from unprotected sex. If you have a stranger in front of you with whom without a vaccine you would have used a condom, would you have unprotected sex with them after having been inoculated? While it might make sense to get the vaccine anyway as a second layer of defense, in all likelihood it won't have any effect on your personal safety.

Re:New HIV vaccine shows unprecedented success in preclinica... by kazinator on Thursday July 30, 2026 @03:24PM (#49114513)
I picked that example because the grammar checker will subsume the spellchecker. The spellchecker misses when a spelling error lands on a word, like "two bad" appearing instead of "too bad", so the grammar checker is a better spell checker.
Re:New HIV vaccine shows unprecedented success in preclinica... by toomuchtodo on Tuesday July 28, 2026 @11:10AM (#49085121)
The US state of Colorado provided young women free IUDs (which are reversible and can last up to eight years) with private funds, and it was wildly successful. I argue teen pregnancy is solved assuming systems remain in place for women to have robust access to contraceptives and reproductive healthcare (which is a systems problem that is never solved completely, but reliant on defending the subject system constantly in perpetuity). The current US administration is rolling back teen pregnancy prevention programs to increase fertility rates in these age cohorts, so there is clearly work ahead to maintain the progress we've made.

If you're sure you don't want kids, or more kids, a bisalp, or bilateral salpingectomy (permanent birth control, removal of both fallopian tubes), is covered by Medicaid or ACA compliant private insurance in the US at 100% with no patient cost sharing as part of the Affordable Care Act federal statute. Doesn't apply to teens imho, but provides protection for 20-39 prime reproductive age cohort for those seeking it.

HIV PrEP in the short term is solved with a twice a year injectable (lenacapavir) until improved options become available (rapid deployment and robust availability of a vaccine given to as many at risk people as possible, as soon as possible). It can be provided for as little as $40/person.

HN Search: lenacapavir - https://hn.algolia.com/?q=lenacapavir

US Government Overhauls Teen Pregnancy Program to Focus on Marriage and Starting Families - https://www.nytimes.com/2026/07/22/us/politics/teen-pregnanc... | https://archive.today/ - July 22nd, 2026

Teen birth rates hit another historical low in 2025, CDC says - https://www.npr.org/2026/04/09/nx-s1-5777587/teen-birth-rate... - April 9th, 2026

Private Money Saves Colorado IUD Program As Fight Continues For Public Funding - https://kffhealthnews.org/health-industry/private-money-save... - August 27th, 2015

(with all of that context shared, all vaccines and medical protocols that improve quality of life, as well as defend and empower the human, are welcome and needed, as quickly as reasonable)

Re:New HIV vaccine shows unprecedented success in preclinica... by HappMacDonald on Tuesday July 28, 2026 @11:10AM (#49085126)
That's like asking "if someone is unwilling to practice abstinence, why would they be willing to wear a condom, or to flip a magic 'not fertile right at this moment' lightswitch?"

A vaccine is something you do once and PrEP is something you have to continue to do over time and get overcharged out the ass for the entire time and worry about if it will remain available in the future.

Re:New HIV vaccine shows unprecedented success in preclinica... by soco on Tuesday July 28, 2026 @11:10AM (#49085128)
All your arguments are sound, and I'm still missing your point. Pharma is interested in doing pharma, indeed. But who's interested in your solution, assuming you have one? A significant part of the current electorate (internationally, even) seems to abhor sex ed, condoms, abortions and all that. So tell me again please how you suggest we address teen pregnancy - in THIS world.
Re:New HIV vaccine shows unprecedented success in preclinica... by cj on Tuesday July 28, 2026 @11:58AM (#49085859)
The person I was responding to says "HIV is not a solved problem" and "we need a new tool to solve it, a vaccine!"

My argument is simply that new tools are great, but it's not what's going to solve the HIV problem. Distribution, cost, access, stigma, etc are the larger problems to deal with. (We need to solve all the reasons why people aren't using the existing tools)

Re:New HIV vaccine shows unprecedented success in preclinica... by serf on Tuesday July 28, 2026 @06:08PM (#49090600)
people don't forego condoms in high income nations due to lack of access, distribution, cost, or stigma.

they make the experience measurably worse for a maybe insurance.

I don't know what fixes that reality other than (maybe?) mass-traumatizing youths with stories and photos of STI/HIV victims, essentially scaring them into wearing a rubber at the risk of scaring them out of sex entirely.

... which is why a vaccine sure would be nice.

Re:New HIV vaccine shows unprecedented success in preclinica... by Muromec on Tuesday July 28, 2026 @01:13PM (#49086992)
The hardest problems to solve that actually matter are in humanities.
Re:New HIV vaccine shows unprecedented success in preclinica... by tallanvor on Tuesday July 28, 2026 @01:50PM (#49087484)
Unfortunately HIV is not a solved problem.

Condoms? They break. More frequently than you might think.

Truvada and Descovy are great and make a big difference, but they require either high adherence to taking pills daily or being able to plan ahead for 2-1-1 (for same-sex relations - it's effectiveness for heterosexual intercourse hasn't been determined).

Apretude and Lenacapavir obviously require getting to a doctor or someone who can give you the injection either every other month or twice a year, is expensive, and can be very painful for some days afterward. And, of course, they're expensive.

A vaccine is the only real option for dealing with HIV for good.

Re:New HIV vaccine shows unprecedented success in preclinica... by tempfile on Tuesday July 28, 2026 @11:13AM (#49085174)
Right, but we know that HIV/AIDS essentially is a solved problem in rich countries, that the mentioned interventions are readily available in rich countries, and the only reason HIV transmission is high in poor countries is because, well, they're poor. We (humanity as a whole) have plenty of money, we could fund these things, we simply choose not to.

I would caution against making an allusion to self control. It would be very cruel to act as if people who get a disease through no fault of their own could have avoided it, and most people who contract HIV could not. You may not have intended to make that allusion, but you did.

> So I would say that it's very evidently not a practically solved problem, because if it were we wouldn't be looking to solve it still.

This is obviously not what is meant by "practically solved problem". Everybody knows it is not actually solved.

Re:New HIV vaccine shows unprecedented success in preclinica... by jcul on Tuesday July 28, 2026 @11:44AM (#49085632)
I recently read "Everything is Tuberculosis". It describes a similar issue with the rich / poor country divide.

It's quite sad and difficult to read at times.

Re:New HIV vaccine shows unprecedented success in preclinica... by everforward on Tuesday July 28, 2026 @12:29PM (#49086359)
Tuberculosis is different, in a very dark, utilitarian way. 4% of new TB cases are multi-drug resistant (19% of recurrences).

Once it’s multi-drug resistant, if you’re poor then you get an incredibly depressing choice. Rich countries pay for expensive drug resistance testing.

Poor countries have to answer an impossible question. You either do nothing and see if they live, or you try to guess what drugs will work and give them those. However, if you’re wrong and the treatment doesn’t work then the risk that you’ve just made the strain immune to one or more of the drugs in that cocktail skyrockets.

They get asked to either do nothing, or do the best they can today knowing it will make tomorrow worse.

TB is also shockingly infectious, which is sad. You can at least take steps to dramatically reduce HIV risk, it’s much much harder to avoid TB.

Re:New HIV vaccine shows unprecedented success in preclinica... by attila-lendvai on Tuesday July 28, 2026 @08:39PM (#49091953)
> TB is also shockingly infectious

let's keep HN as a place where people usually do at least a cursory research before they state things with such confidence... or inject a few words of doubt to signal that you haven't done the homework.

if you feel the urge to fight this: i lived with someone infected with TB.

e.g. measles is shockingly infectious. TB is not.

Re:New HIV vaccine shows unprecedented success in preclinica... by jquery on Tuesday July 28, 2026 @11:10PM (#49093009)
A single, untreated person with TB will infect 1.5 to 4 people if public health interventions don’t happen. Measles sits at 12 to 18 people per infected person.

In case anyone was curious. Depending on what your priors were, 1.5 to 4 might be shocking.

Re:New HIV vaccine shows unprecedented success in preclinica... by attila-lendvai on Tuesday July 28, 2026 @11:45PM (#49093190)
don't forget that untreated TB runs for years, sometimes for many years.

measles heals in weeks (and 99.9% non-malnutrished survives without lasting damage; see France prior to 1983).

Re:New HIV vaccine shows unprecedented success in preclinica... by attila-lendvai on Tuesday July 28, 2026 @11:48PM (#49093203)
also note the exponential function here... and an exponent of 2 and 12 are very different animals.
Re:New HIV vaccine shows unprecedented success in preclinica... by everforward on Wednesday July 29, 2026 @11:35AM (#49098876)
Depends heavily on whether we're measuring in practical terms, or in "no medical intervention" terms.

If we're measuring in a vacuum without medicine, then absolutely, the measles is dramatically more infectious.

If we're measuring in the real world where medicine exists, the measles has a safe, cheap and effective vaccine. New case rates dropped 76% between 2000 and 2018 due to extensive vaccination campaigns, and new cases of the measles globally sits a hair below TB right now. The WHO has a plan to eradicate it (and rubella) just like polio.

Meanwhile TB is now the leading cause of infectious death in the world, and the WHO estimates 1 in 4 people globally have either active or latent TB. Despite having similar new case numbers, TB kills 13 people for every 1 person the measles does.

I would describe a disease that 1 in 4 people globally have and is the world's leading cause of death as "shockingly infectious". I doubt it is the most infectious, but I think shockingly infectious is apt.

> i lived with someone infected with TB.

If they were latent, no one would expect you to have contracted TB. Latent TB isn't infectious. If they had active TB, I would personally get tested for latent TB. Not showing symptoms isn't dispositive of contracting TB, it can lay dormant for a long time or forever. I'm not saying you would definitely have contracted it enough, but the odds are high enough and risks serious enough that I'd want it treated before it became active.

Re:New HIV vaccine shows unprecedented success in preclinica... by attila-lendvai on Friday July 31, 2026 @01:19AM (#49119283)
re TB: you think i wouldn't know? and it was found because it was active.

re eradicating measles: the terrain is much more complicated than presented. first, because the vaccine fades away, and without measles spreading in the young population, adults don't get natural reminders, and eventually there can be a big wave without poking everyone. and the disease is much more dangerous for adults. and all this unnecessary trouble for a disease that is not really dangerous when left alone and the population is not malnutrished.

and there's that cancer thing with measles, just to shed some light on the complexity:

MEASLES: Albonico et al found that adults are significantly protected against non-breast cancers — genital, prostate, gastrointestinal, skin, lung, ear-nose-throat, and others — if they contracted measles (odds ratio, OR = 0.45), rubella (OR = 0.38) or chickenpox (OR = 0.62) earlier in life. [Med Hypotheses 1998; 51(4): 315-20]. https://www.ncbi.nlm.nih.gov/m/pubmed/9824838/

MEASLES: Montella et al found that contracting measles in childhood reduces the risk of developing lymphatic cancer in adulthood [Leuk Res 2006; 30(8): 917-22]. http://www.lrjournal.com/.../S0145-2126(05)00466-2/abstract

https://www.ncbi.nlm.nih.gov/m/pubmed/16406019/

MEASLES: Alexander et al found that infection with measles during childhood is significantly protective — it cuts the risk in half — against developing Hodgkin’s disease (OR = 0.53) [Br J Cancer 2000; 82(5): 1117-21].

http://www.nature.com/bjc/journal/v82/n5/full/6691049a.html

https://www.ncbi.nlm.nih.gov/m/pubmed/10737396/

Measles to the Rescue: A Review of Oncolytic Measles Virus. MV Clinical trials are producing encouraging preliminary results in ovarian cancer, myeloma and cutaneous non-Hodgkin lymphoma, and the outcome of currently open trials in glioblastoma multiforme, mesothelioma and squamous cell carcinoma are eagerly anticipated. Aref S, et al. Viruses. 2016.

http://www.mdpi.com/1999-4915/8/10/294

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5086626/

Re:New HIV vaccine shows unprecedented success in preclinica... by shadowtree on Tuesday July 28, 2026 @01:13PM (#49086990)
"the only reason HIV transmission is high in poor countries is because, well, they're poor."

This is factually untrue.

Being poor does not equal a HIV transmission rate. There is no 1:1 correlation.

A single protected (condom) sexual act between a male and female averages somewhere around 0.1-0.5% chance of pregnancy, and during the fertile window it could still be around 1% or more even with a condom.

Chance of HIV from one act of unprotected vaginal sex with an HIV-positive partner: ~0.08% male-to-female.

The high HIV transmission rates are NOT correlated with wealth, but social behavior. Unprotected anal sex with many partners? High risk. Now, Africa - the practice of dry sex contributes a ton to HIV transmission. Cultural belief that a dry vagina increases pleasure, hence woman use sand, chalk or bleach to dry out their vaginas, massively increasing HIV risk. Needle sharing of drug users? High HIV risk.

Not a class issue, no reason to punch down on poor people. Poor people have agency and many do not infect themselves with HIV in the first place.

Re:New HIV vaccine shows unprecedented success in preclinica... by dahinds on Tuesday July 28, 2026 @02:41PM (#49088144)
I don't think the original assertion is "punching down" on poor people. While you're correct that poverty isn't the "only reason" for high HIV transmission, poverty certainly contributes to it, via lack of access to health care and lack of access to education. How is it less "punching down" to attribute it to social behavior and culture? Isn't needle sharing associated with poverty, or would you also call that "culture"?
Re:New HIV vaccine shows unprecedented success in preclinica... by shadowtree on Tuesday July 28, 2026 @03:11PM (#49088514)
I was poor, grew up in social housing.

I did not use drugs.

"I share needles because I can't afford my own" is an INSANE take. Don't shoot drugs in the first place! Poor people are normal humans, they have willpower, agency. It is a rich people myth that poor people are cattle, devoid of any chance of doing the right thing.

It is culture, behavior, social norms. Being poor does not force you to abandon the nuclear family, does not force you to engage in criminal acts. (there is reverse causality though)

In the early 1960s South Korea had a per capita income lower than those of Haiti, Ethiopia, and Yemen, and about 40% below India's. Did all South Koreans become heroin addicts with HIV?

Re:New HIV vaccine shows unprecedented success in preclinica... by lukeschlather on Tuesday July 28, 2026 @04:26PM (#49089483)
> Don't shoot drugs in the first place

like insulin? should a diabetic skip the insulin? In poor countries I wouldn't be surprised if the majority of HIV infections are not as preventable as you're imagining.

You can moralize, but even if only 10% of HIV infections are unavoidable, you're not contributing to solving the actual problem. (And by unavoidable I mean, unavoidable without investing in more needles, better sanitation, or prophylactics that the people "responsible" cannot afford.)

Re:New HIV vaccine shows unprecedented success in preclinica... by sterlind on Tuesday July 28, 2026 @04:36PM (#49089593)
assume you have a population of IV drug users. as a society, would you prefer to spend nothing and see them develop HIV, or to spend some and control the HIV?

you don't have to care about the drug users at all. even if you treat them as pests rather than humans, we frequently vaccinate pests for public health measures. pathogens will spill over to populations you do care about, they'll create a drain on the healthcare system, they'll harbor other opportunistic infections. it's not sanitary.

this is completely leaving aside that some drug addicts can and do turn their life around, and that HIV is a horrible illness nobody should have to deal with, even if it's "their fault."

Re:New HIV vaccine shows unprecedented success in preclinica... by pibaker on Tuesday July 28, 2026 @04:54PM (#49089768)
Thanks for your contribution. Gonna hop on a jet to Zambia tomorrow and tell kids with HIV there that it's their fault they were born with the virus and maybe they shouldn't have shared needles.
Re:New HIV vaccine shows unprecedented success in preclinica... by pessimizer on Tuesday July 28, 2026 @11:19PM (#49093049)
People enjoy drugs, people enjoy sex. If your solution to driving fatalities is not to drive, you have not solved anything.

Not having sex and not doing drugs isn't any sort of "right thing" other than because sex and drugs are dangerous. If sex and drugs were less dangerous (or made not dangerous at all) there would be no reason to tell people not to do them.

The wealthy use drugs and have sex all the time. They just have clean needles and nice doctors. You've completely bought into the moral explanation for poverty - which is that moral decay causes poverty, but poverty does not cause moral decay. But you think that this is a defense of the poor, rather than a defense of the exploitation and contempt for the poor by the rich.

The poor are not worse than the rich even if they do drugs, have sex, or swear on Sunday.

Re:New HIV vaccine shows unprecedented success in preclinica... by jrflowers on Wednesday July 29, 2026 @12:55AM (#49093556)
Lmao “South Korea never had a severe drug problem”

I’ve got bad news for you about methamphetamine in postwar east Asia

Re:New HIV vaccine shows unprecedented success in preclinica... by tempfile on Wednesday July 29, 2026 @06:42AM (#49095682)
Being poor correlates with adverse health outcomes. If you insist (as you do) that those health outcomes are due entirely to culture and willpower, then you are forced to conclude that poor people have low willpower and are less moral. This is an unprovable assertion, based entirely on your own vibes, and is frankly a cruel thing to say. It basically asserts that these people deserve the things that happen to them, because they were avoidable and entirely due to their choices.

This is not a celebration of human agency. When people are treated badly, they behave badly. It is completely irrelevant that you were treated badly and happened not to behave badly. People are far too complex for you to say "well, we got treated the same, we should have behaved the same".

Re:New HIV vaccine shows unprecedented success in preclinica... by garciasn on Tuesday July 28, 2026 @03:13PM (#49088535)
Dry sex in SSA may be one of the contributing factors, but it’s never been truly proven out as a key contributor in any study I have read; they always address it but say more needs to be done to be certain.

Your comment makes it seem like a key factor when it’s not.

Re:New HIV vaccine shows unprecedented success in preclinica... by shadowtree on Tuesday July 28, 2026 @03:53PM (#49089031)
In the Global Burden of Disease analyses, sub-Saharan Africa (SSA) had the highest age-standardized STI incidence rate of any world region — around 19,973 per 100,000 person-years, which is roughly double the global average of about 9,536 cases per 100,000.

Forecasts to 2030 expect sub-Saharan Africa to continue having the highest incidence rates of both HIV and other STIs of any region.

How come a specific region of the globe has this issue? "Poverty"?

Many regions in India are poor. Afghanistan. Pakistan.

Love the science based debate here, btw, thank you all for the downvotes. Facts, not feelings.

Re:New HIV vaccine shows unprecedented success in preclinica... by cwillu on Tuesday July 28, 2026 @05:02PM (#49089870)
It comes with the territory; IMO if you don't occasionally have a few comments go negative, you're probably not saying anything of value.
Re:New HIV vaccine shows unprecedented success in preclinica... by xenospn on Tuesday July 28, 2026 @01:35PM (#49087281)
I’ve never heard that before. That explains a lot.
Re:New HIV vaccine shows unprecedented success in preclinica... by rsynnott on Wednesday July 29, 2026 @07:23AM (#49096006)
I mean a big part of the issue in poor countries is lack of access to PrEP.
Re:New HIV vaccine shows unprecedented success in preclinica... by neonstatic on Tuesday July 28, 2026 @11:38AM (#49085531)
> And I would expect that the vast majority of people would oppose any idea of somehow punitively "dealing with" people who get some things wrong.

Of course, and for good reason. The ones who know for a fact they are right, might in fact be wrong or malicious.

Re:New HIV vaccine shows unprecedented success in preclinica... by maxerickson on Tuesday July 28, 2026 @11:12AM (#49085153)
I thought the current panic was that young people (not necessarily teens) weren't having enough kids?
Re:New HIV vaccine shows unprecedented success in preclinica... by epistasis on Tuesday July 28, 2026 @11:16AM (#49085221)
Which is in fact panic that teens are not having enough children, because that's where we have seen big drops...

This whole "panic" seemed weird from the start, but once it becomes clear that it's from the lack of teen pregnancies it takes on an even creepier Epstein-like oddness.

Re:New HIV vaccine shows unprecedented success in preclinica... by MostlyStable on Tuesday July 28, 2026 @11:25AM (#49085354)
It is entirely possible to believe multiple things at once:

1. The drop is fertility is bad for society

2. The drop in teen pregnancy is good, despite it's contributions to 1

3. We should try to fix 1. without undoing 2.

Re:New HIV vaccine shows unprecedented success in preclinica... by Night_Thastus on Tuesday July 28, 2026 @11:50AM (#49085736)
I agree, but I don't think #3 is possible. For a variety of reasons, both biological and societal, the older people get the less likely they are to have kids, and fewer of them.
Re:New HIV vaccine shows unprecedented success in preclinica... by skissane on Tuesday July 28, 2026 @12:13PM (#49086095)
Kiryas Joel, New York, has astronomically high fertility, but also extremely low rates of under-18 pregnancy - which proves the combination is possible.
Re:New HIV vaccine shows unprecedented success in preclinica... by Night_Thastus on Wednesday July 29, 2026 @12:21AM (#49093389)
That is an exceptional outlier. It's almost entirely (>90%) made up of one religious group that has strict cultural rules about early marriage and having many children.

That's not something typical outside of that one particular group, nor can you copy-paste that anywhere else.

I think in fact it's the opposite. Because of how universal below-replacement rates are in EVERY developed nation, it shows just how independent it is from factors of culture, economics, environment, etc. It takes a seriously unusual situation like the one in Kiryas Joel for below-replacement to not be the norm.

Re:New HIV vaccine shows unprecedented success in preclinica... by skissane on Wednesday July 29, 2026 @06:52PM (#49104129)
I disagree - very high fertility combined with very low rates of extramarital pregnancy are totally normal for traditionalist religious groups-not just ultra-Orthodox Jews, but also the Amish, Salafists, Deobandis, vilayet-e faqih-e faqih Twelvers, the SSPX, inter alia - what Eric Kaufmann (see his book Shall the Religious Inherit the Earth?) calls “endogenous growth sects”. There is nothing unique to Kiryas Joel about it; Kiryas Joel is simply the most easy-to-point-to example of a wider phenomenon
Re:New HIV vaccine shows unprecedented success in preclinica... by mrguyorama on Tuesday July 28, 2026 @01:47PM (#49087448)
Fundamentalists, and others who abhor birth control, demonstrate pretty regularly that they have no issue with Teen Pregnancy, but rather unmarried teen pregnancy.

They want married teen pregnancy. By their own admission.

Re:New HIV vaccine shows unprecedented success in preclinica... by philipallstar on Tuesday July 28, 2026 @11:45AM (#49085637)
No, it's from the cost of living being so high that people are delaying having kids.
Re:New HIV vaccine shows unprecedented success in preclinica... by vasco on Tuesday July 28, 2026 @11:50AM (#49085721)
Worldwide the main thing that correlates to having less kids is being more educated. High cost of living correlates with more kids, not less.
Re:New HIV vaccine shows unprecedented success in preclinica... by siriusastrebe on Tuesday July 28, 2026 @12:03PM (#49085940)
Worldwide being more educated means higher cost of living. Nowhere in the world is there a country with high cost of living and high birthrates
Re:New HIV vaccine shows unprecedented success in preclinica... by derektank on Wednesday July 29, 2026 @12:12AM (#49093333)
I suppose it depends by what you mean by “high birth rates” but Israel has a high cost of living, Tel Aviv is comparable to most American superstar cities when you account for resident’s lower incomes, but the country has a birth rate well above replacement, at roughly 3 births per woman.

Of course, Israel also has a nearly identical rate of secondary and tertiary educational attainment to other OECD countries so I’m not sure that makes the argument against education.

Re:New HIV vaccine shows unprecedented success in preclinica... by vasco on Wednesday July 29, 2026 @03:01AM (#49094245)
High cost of living can happen for two reasons, either everything is expensive, or you make no money. And guess what, people with no money have way more kids than people with a lot of money in middle class lives in developed countries, who then say lack of money is why they don't have kids.

The one thing you can do to stop teenage pregnancies is for example to educate young girls, give them menstruation support and allow them to go to school. This effect dominates vs "oh I can't put my kid in private school" that we say is the reason for no kids.

Re:New HIV vaccine shows unprecedented success in preclinica... by jimbob45 on Tuesday July 28, 2026 @01:09PM (#49086936)
No, there will always be the threat of teen pregnancy. Conversely, we could wipe out HIV permanently if enough public will across the world was directed toward it.

I fully believe that HIV wouldn’t exist if PrEP had come out in the 80s when public hysteria was at an all-time high and the will to eradicate it was present.

Re:New HIV vaccine shows unprecedented success in preclinica... by sarchertech on Tuesday July 28, 2026 @01:22PM (#49087092)
We haven’t even managed to wipe out polio, and that is a cheap, lifelong vaccine.
Re:New HIV vaccine shows unprecedented success in preclinica... by 8note on Tuesday July 28, 2026 @02:24PM (#49087903)
not only that, people are explicitly trying to bring back measles, and succeeding at it
Re:New HIV vaccine shows unprecedented success in preclinica... by BizarroLand on Tuesday July 28, 2026 @02:02PM (#49087647)
If we gave every living human on the planet the polio vaccine as soon as they were able to receive it, it would still exist in the wild somewhere.

If new generations are not also given the vaccine, it will eventually return.

Probably the same with HIV, although I could see it being somewhat more difficult for that to make a resurgence. If we inoculated the entire human race against it, it could possibly eradicate HIV for several generations, if not permanently.

Re:New HIV vaccine shows unprecedented success in preclinica... by sarchertech on Tuesday July 28, 2026 @04:33PM (#49089542)
Humans are the only reservoir for polio, so that’s not true. We could theoretically wipe out polio just like smallpox because there are no animal reservoirs.
Re:New HIV vaccine shows unprecedented success in preclinica... by BizarroLand on Wednesday July 29, 2026 @04:38PM (#49102758)
Huh. TIL. That boggles the mind though. Makes me wonder where it came from, or if perhaps its source was somehow killed off or otherwise destroyed, or if perhaps there is a reservoir somewhere that we simply are not aware of?
Re:New HIV vaccine shows unprecedented success in preclinica... by sarchertech on Saturday August 01, 2026 @11:19AM (#49135221)
There’s a fair amount of viruses that have no animal reservoir.

Either they evolved from a different human virus, or from an animal virus.

Measles for example evolved from a livestock virus called rinderpest and lost the ability to infect cattle as it became a specialized human virus.

Re:New HIV vaccine shows unprecedented success in preclinica... by mrguyorama on Tuesday July 28, 2026 @01:35PM (#49087285)
>if PrEP had come out in the 80s when public hysteria was at an all-time high

You mean the time the US admin was intentionally neglecting the epidemic because "it's a gay disease"? Why do you think Reagan would have done anything to ensure such a medication was easily available?

Re:New HIV vaccine shows unprecedented success in preclinica... by saghm on Tuesday July 28, 2026 @01:45PM (#49087413)
> You could say the same about teen pregnancy being a practically solved problem, except there is still the problem of teen pregnancy. Or even something more mundane as driving consistently safely all the time to solve the problem of accidents.

At the risk of derailing this conversation from the original topic, those two things are not remotely equivalent. There's no organized political movement trying to tell people that seat belts and speed limits are immoral, and you should only drive when you're willing to accept the responsibility that comes with the risks.

Re:New HIV vaccine shows unprecedented success in preclinica... by jonathanlydall on Tuesday July 28, 2026 @02:50PM (#49088248)
Where I am from, organised political movements are not a factor of teen pregnancy and were not the least bit in my mind when I made my statement.

And my two examples are completely arbitrary because my point applies to pretty much any problem which would be solved by people being “more careful”.

So, political/religious elements aside, teen pregnancy and road safety are the same in terms of “if people were just more disciplined, there would not be these problems” (i.e. if teens who have easy access to contraceptives planned ahead before giving into impulsiveness; if drivers were more attentive to their behaviour), which I then pointed out is naive because the reality is that people aren’t perfect, they aren’t always disciplined, we’re all only human.

Hence, we need other solutions to help with problems which don’t require ignoring that people are only human and lack perfect discipline.

I agree that some organised movements can be a problem in that they can make other problems worse.

Re:New HIV vaccine shows unprecedented success in preclinica... by saghm on Tuesday July 28, 2026 @03:09PM (#49088494)
My point is that teen pregnancy very much does have a solution that has empirically worked quite well at preventing it when it's actually practiced (i.e. high quality sex education and ample access to contraceptives), and pushing abstinence as a solution has demonstrably caused teen pregnancy rates in increase whenever it's used as a replacement for that; the only actual impetus for abstinence as a "solution" is ideological. I think teen pregnancy literally would be a solved problem (with instances being essentially a rounding error) in a society embracing what we actually have proven works well at preventing it; I've never seen any similarly successful mechanism at preventing injuries or deaths in automobile accidents be rejected by a society for ideological reasons.

Trying to handwave away the things we know work to prevent teen pregnancy as "just be careful" feels overly reductive, because it's way easier to do correctly than managing to drive without ever having an accident.

Re:New HIV vaccine shows unprecedented success in preclinica... by jonathanlydall on Tuesday July 28, 2026 @04:33PM (#49089546)
Talking about road safety.

In South Africa we have 12,000+ road fatalities a year, by comparison Australia (renowned for strong law enforcement) with about half of our population size has 1,200 or something. (And they apparently happen to have about 4,500 teen pregnancies a year.)

Australia’s (or maybe it was New Zealand’s which I visited on the same trip) road safety campaign is called “Towards Zero”, while South Africa’s is called “Arrive Alive”.

A big part of the difference in fatalities is that Australia has much better general law enforcement (such that a lot of foreigners complain about it), while over here it’s dismal with Arrive Alive’s strategy seemingly being to always do the same thing as last year’s holiday season except with “trying harder”, while largely ignoring day-to-day traffic offences.

Due to the high chance of being caught for transgressions, Australians tend to way more often stick to the rules of the road, while over here there is horrendous amount of (to put it politely) shenanigans happening almost all the time.

And the impact of this difference in discipline shows in the above stats.

Years ago now, but my now wife spent 10 days in intensive care after a minibus taxi driving on the wrong side of the road head on collided into the car she was a passenger in. My wife was fortunately in a car with good safety features and had a medical aid plan allowing her to receive some of the best care possible in the country, but I’m doubtful that the mini bus taxi passengers (who tend to be in the poor class of the population) sent to public hospitals received care anywhere near as good, I think I heard after this article [1] was published that two people died.

Perhaps road accidents, or at least fatalities, can be reduced more than you realize.

[1]: https://www.citizen.co.za/northcliff-melville-times/222787/2...

Re:New HIV vaccine shows unprecedented success in preclinica... by rixed on Wednesday July 29, 2026 @12:47AM (#49093514)

  Perhaps road accidents, or at least fatalities, can be reduced more than you realize.
You are talking past each others. The exemple of Australia (or was it new Zealand?) shows that accidents can be lowered, as much as thé exemple of south Africa shows they can't.

I've always found this misunderstanding fascinating; it touches on the physical reality of sociological laws, the origin and purpose of morality, as well of course as supporting in part the modern political divides.

Re:New HIV vaccine shows unprecedented success in preclinica... by codesnik on Tuesday July 28, 2026 @03:31PM (#49088780)
derailing further, it's no organized political movement, and they don't call it immoral but in Caucasus region some men avoid using seat belts as "unmanly", and that's a very social thing. Small plugs into a seatbelt socket to shut up the car audible warning are very common, including taxis.
Re:New HIV vaccine shows unprecedented success in preclinica... by jonathanlydall on Tuesday July 28, 2026 @04:54PM (#49089765)
Well, they do have a point on the “unmanly” aspect as there is a reason that men are statistically more likely to die before old age than women.

Also, I’ve found that when asked about the risk of something, most people believe that bad things only happen to other people (who also believed that, until it happened to them).

Re:New HIV vaccine shows unprecedented success in preclinica... by kakacik on Wednesday July 29, 2026 @02:24AM (#49094026)
Literally every cigarette smoker I've spoken to about this lives in that other-people fantasy
Re:New HIV vaccine shows unprecedented success in preclinica... by rsynnott on Wednesday July 29, 2026 @07:20AM (#49095983)
The ultimate expression of masculinity is being hurled at speed through a windscreen.
Re:New HIV vaccine shows unprecedented success in preclinica... by xnyan on Tuesday July 28, 2026 @10:54PM (#49092912)
> There's no organized political movement trying to tell people that seat belts and speed limits are immoral

I rode in a lot of cars when I lived in Eastern Ukraine, 9/10 times or more the seatbelts had been removed or tucked behind the seats and not intended to be used. I got some very funny/annoyed looks when I first arrived and dug around in seats looking for a belt.

There's no need for a political movement when you already have the thing (no seatbelts).

Re:New HIV vaccine shows unprecedented success in preclinica... by rsynnott on Wednesday July 29, 2026 @07:15AM (#49095942)
Seat belts, maybe not. Some of the campaigning against the new 30km/h urban speed limits here _is_ practically framing them as immoral, tho. People get weird about that stuff.

Campaigning against _contraception_ feels like pretty much a dead issue, at least here; you just don’t see it anymore.

Re:New HIV vaccine shows unprecedented success in preclinica... by juliendorra on Tuesday July 28, 2026 @06:50PM (#49091055)
Teen pregnancy (or unwanted pregnancy at all) has been extremely low in several countries, and the factors are not discipline but was of access, focus on health instead of morality, and public service campaign. If it is high in an otherwise rich country, it’s likely not a lack of discipline from teenagers but a lack of free and easy access to contraception and abortive means, social pressure and morality campaigns, lack of sex education (often by design sometimes by negligence after some period of activity)
Re:New HIV vaccine shows unprecedented success in preclinica... by jasonfarnon on Tuesday July 28, 2026 @07:53PM (#49091588)
" likely not a lack of discipline from teenagers"

You two might be using "discipline" pretty different. Your definition of discipline would encompass constant casual sex as long as contraceptives were used and any abortions were prompt, right?

Re:New HIV vaccine shows unprecedented success in preclinica... by jquery on Tuesday July 28, 2026 @11:03PM (#49092966)
They’re talking about evidence-based solutions to the issue, yes. Discipline is probably the wrong word. Expecting teenagers to be disciplined is a fool’s errand.
Re:New HIV vaccine shows unprecedented success in preclinica... by kakacik on Wednesday July 29, 2026 @02:28AM (#49094043)
'Discipline to avoid teen pregnancy', is it really hard to connect those few dots to what it actually means in behavior?
Re:New HIV vaccine shows unprecedented success in preclinica... by jasonfarnon on Wednesday July 29, 2026 @07:08PM (#49104261)
It's easy to connect the dots, which is that an obfuscation was being applied.
Re:New HIV vaccine shows unprecedented success in preclinica... by reenorap on Tuesday July 28, 2026 @07:30PM (#49091423)
FYI teen pregnancy in the US is the lowest it’s ever been in the history of the country.
Re:New HIV vaccine shows unprecedented success in preclinica... by ElProlactin on Wednesday July 29, 2026 @01:28AM (#49093723)
The overall US fertility rate is at/near all-time lows.
Re:New HIV vaccine shows unprecedented success in preclinica... by cogman10 on Tuesday July 28, 2026 @09:58AM (#49083997)
It's a solved problem if you are someone that knows you'll be exposed to HIV in the very near future and you have the money and wherewithal to purchase PrEP before that event (and you can plan the event 7 days out).

The power of a vaccine is you can give it to adults and kids before they are sexually active and protect them, potentially, for the rest of their lives.

I'd also be curious to know if the combination of ART + the vaccine might cure someone of HIV. Which is also a pretty big deal.

Re:New HIV vaccine shows unprecedented success in preclinica... by compass_copium on Tuesday July 28, 2026 @10:10AM (#49084155)
This is completely inaccurate. There is PrEP that requires dosing two times a year. You can also get PEP if you engage in a risky activity without PrEP.
Re:New HIV vaccine shows unprecedented success in preclinica... by SietrixDev on Tuesday July 28, 2026 @10:49AM (#49084825)
Yes, it exists, but how available is it really? If I recall correctly, the injections are also not very pleasant.

"Gilead sells LEN at very high prices (over $28,000 per person per year in the US), severely restricts its supply to certain countries, and refuses to sell it directly to Doctors Without Borders/Médecins Sans Frontières"

Source: https://www.doctorswithoutborders.org/latest/campaigns/acces...

Re:New HIV vaccine shows unprecedented success in preclinica... by sroussey on Tuesday July 28, 2026 @10:56AM (#49084913)
The shots are expensive, but the pills are free in the USA. They do have adverse kidney issues over prolonged use (more for some people than others).
Re:New HIV vaccine shows unprecedented success in preclinica... by cguess on Tuesday July 28, 2026 @11:14AM (#49085176)
And clearly only the people in the USA matter.
Re:New HIV vaccine shows unprecedented success in preclinica... by whimsicalism on Tuesday July 28, 2026 @11:18AM (#49085248)
Are you serious? I would bank money on PEP being practically free in sub-saharan Africa.
Re:New HIV vaccine shows unprecedented success in preclinica... by cguess on Tuesday July 28, 2026 @11:22AM (#49085311)
*PrEP

It... was, until Musk dismantled USAID and Congress defunded PEPFAR.

So many comments by people who have never stepped foot out the Global North making wild assumptions.

Re:New HIV vaccine shows unprecedented success in preclinica... by whimsicalism on Tuesday July 28, 2026 @11:32AM (#49085442)
I was explicitly referring to PEP. I'm not sure why you would make assumptions about where I have or haven't been when you have absolutely no information.

PEP remains largely free in SSA post-USAID/PEPFAR cuts.

Re:New HIV vaccine shows unprecedented success in preclinica... by cguess on Tuesday July 28, 2026 @11:42AM (#49085596)
Ok... so you have to

1. Know you were exposed (many many many people don't know they're HIV+)

2. Have the means to go to a clinic within 72 hours

3. Have the social capacity to go to the clinic safely (in many parts of Sub Saharan Africa doing so would insult your partner)

PEP is an emergency drug, not a prevention at all.

Re:New HIV vaccine shows unprecedented success in preclinica... by whimsicalism on Tuesday July 28, 2026 @11:48AM (#49085691)
My understanding is PrEP is also free, but I'm less certain about that post-cuts.
Re:New HIV vaccine shows unprecedented success in preclinica... by cguess on Tuesday July 28, 2026 @12:15PM (#49086132)
It is not, at all anymore.
Re:New HIV vaccine shows unprecedented success in preclinica... by matharmin on Tuesday July 28, 2026 @10:29AM (#49084481)
That PrEP is in some ways similar to a vaccine, and there is still a lot of value in getting a better vaccine (cheaper and/or lasting longer).
Re:New HIV vaccine shows unprecedented success in preclinica... by lopis on Tuesday July 28, 2026 @11:08AM (#49085094)
Also, PrEP pills can have side effects long term. And distributing huge amounts of daily pills to remote areas of the globe is much harder than the patients getting a shot on their yearly medical visit.

> I'd also be curious to know if the combination of ART + the vaccine might cure someone of HIV. Which is also a pretty big deal.

"Cure" in the sense they could become indefinitely under detectable levels. It's worth noting that to really cure a person of HIV you'd need to remove all mutated cells.

Re:New HIV vaccine shows unprecedented success in preclinica... by simonask on Tuesday July 28, 2026 @10:31AM (#49084502)
Ad-hoc use of PrEP just requires that you take a double dose 1 hour prior to potential exposure, and follow up with another double dose 24 hours later, at least with the versions commonly prescribed to sexually active groups in my area.

I agree that a vaccine is another game-changer, but it’s extremely important that we don’t spread misinformation about the efficacy and convenience of PrEP. In developed societies, it has already all but eliminated new transmissions among groups that were previously most at risk.

Re:New HIV vaccine shows unprecedented success in preclinica... by jcul on Tuesday July 28, 2026 @11:46AM (#49085653)
Does this double dose completely prevent infection?
Re:New HIV vaccine shows unprecedented success in preclinica... by matthewmacleod on Tuesday July 28, 2026 @12:01PM (#49085907)
The evidence I’m aware of suggests that this method (on-demand or event-based PrEP) is broadly as effective as daily PrEP (though it’s not suitable for vaginal sex). I believe adherence rates are generally lower though, as people can find the instructions confusing, and it’s obviously easier to mis-dose than a daily regimen.
Re:New HIV vaccine shows unprecedented success in preclinica... by cyberax on Wednesday July 29, 2026 @03:48AM (#49094535)
It's called a "loading dose" and it's a common trick in medication dosing.

If your drug has an elimination half-life of 1 day, then it takes about 4 days to reach the steady-state concentration if you take normal doses. With the loading dose, you immediately reach it.

Re:New HIV vaccine shows unprecedented success in preclinica... by tallanvor on Tuesday July 28, 2026 @01:53PM (#49087528)
At least 2 hours before, not 1, and preferably closer to 24 hours before.
Re:New HIV vaccine shows unprecedented success in preclinica... by cyberax on Wednesday July 29, 2026 @03:44AM (#49094518)
PrEP is effective even when taken after the event. The approved protocol is to take a loading dose (2x the normal dose) and then follow up with regular doses for 3 days.
Re:New HIV vaccine shows unprecedented success in preclinica... by nerdjon on Tuesday July 28, 2026 @09:41AM (#49083746)
Cost and compliance are still 2 major factors that have not been solved.

We also have education and stigma. While within the LGBT community it is far more common to be open about status and taking prep and doxy (far from perfect though), it still feels like outside of that the conversations are not happening as much as they should.

Throw in doctors that are not being proactive about the conversation.

Right now it seems like having prep and doxy is largely considered only if you are engaged in "risky" behavior (not saying that in a judgmental way to be clear), instead of just being sexually active and protecting yourself. Money and investment alone won't fix that, that is a societal shift around how we talk about sex.

That is also before we get into the cost issues in many other countries just for those that do need it.

Re:New HIV vaccine shows unprecedented success in preclinica... by bluGill on Tuesday July 28, 2026 @10:12AM (#49084189)
PReP has some side effects. While they are rare, they are things you need to be aware of. If you are not doing risky sex it isn't for you.

Most people want to believe they are in a monogamous relationship and thus not having risky sex - even though they are the one cheating. Either PReP needs to be more common, are people need to stop their risky sex activities (that they are not even admitting to).

Re:New HIV vaccine shows unprecedented success in preclinica... by nerdjon on Tuesday July 28, 2026 @10:27AM (#49084444)
> If you are not doing risky sex it isn't for you.

That blanket statement I very much disagree with. Sure there are side effects but that is part of why you also get tested every 3 months for liver issues (not that it is the only side effect, but still).

Instead of it being a blanket statement it should be a conversation with your doctor about the pros and cons.

You can still get HIV even if not engaging in risky behavior. Same with people getting pregnant when they did not intend too.

I am thinking college kids that are still figuring out their sexuality and exploring new things. You're going to make mistakes so having a conversation about prep with your doctor is a really good idea.

Re:New HIV vaccine shows unprecedented success in preclinica... by Telemakhos on Tuesday July 28, 2026 @10:40AM (#49084692)
You are extremely unlikely to get HIV from anything other than risky sex. That's what "risk" means: it's another word for "probability," just a probability of negative outcomes. These probabilities are known: https://www.aidsmap.com/about-hiv/estimated-hiv-risk-exposur...

Some of that table is already mitigated: we test blood for HIV, so transmission by blood transfusion is unlikely. Transmission by pregnancy is less likely simply because few women have HIV: 80% of new cases in the US are male, 20% female.

The real question is whether "having a conversation about prep with your doctor" is going to lead to someone caring enough to pursue a prophylactic course of medication when that same person doesn't care enough about his own health or others' to avoid risky sexual encounters. Is someone irresponsible enough to pursue causal, unprotected sex with random partners also likely to be responsible enough to visit a doctor proactively and comply with a prep regimen? Sure, it's a "really good idea," but a simpler and better idea is not to have random sex in the first place. A "really good idea" depends on a level of self-control that some people obviously lack.

Re:New HIV vaccine shows unprecedented success in preclinica... by camphy on Tuesday July 28, 2026 @11:27AM (#49085376)
> Is someone irresponsible enough to pursue causal, unprotected sex with random partners also likely to be responsible enough to visit a doctor proactively and comply with a prep regimen?

Yeah, me. What a wild statement to make. It’s a big world out there, my friend.

Re:New HIV vaccine shows unprecedented success in preclinica... by vasco on Tuesday July 28, 2026 @11:59AM (#49085866)
You may have missed the word likely.
Re:New HIV vaccine shows unprecedented success in preclinica... by camphy on Tuesday July 28, 2026 @02:07PM (#49087703)
Did I also miss the part where “likely” was shown to be grounded in anything other than a prejudice about people who have “risky” sex?
Re:New HIV vaccine shows unprecedented success in preclinica... by vasco on Tuesday July 28, 2026 @06:57PM (#49091125)
I dunno man if you want to answer claims about probability with single a data point that's up to you, but nobody can take that seriously, whatever the topic.
Re:New HIV vaccine shows unprecedented success in preclinica... by derektank on Wednesday July 29, 2026 @12:23AM (#49093402)
“Is someone irresponsible enough to drive a car (the second leading cause of accidental death) also likely to be responsible enough to comply with seatbelt laws?”

The word likely doesn’t make this argument any less dumb

Re:New HIV vaccine shows unprecedented success in preclinica... by matthewmacleod on Tuesday July 28, 2026 @12:14PM (#49086107)
Is someone irresponsible enough to pursue causal, unprotected sex with random partners also likely to be responsible enough to visit a doctor proactively and comply with a prep regimen?

Anecdotally, very much so - at least among the gay/MSM community.

The thing is, people generally quite like having sex. That comes with some level of risk, which can be mitigated in various different ways - and PrEP is one of those tools.

All humans engage in some level of risky behaviour; evidence suggests that moralising about “responsible behaviour” or “self control” is rarely effective at mitigating that risk.

Re:New HIV vaccine shows unprecedented success in preclinica... by nerdjon on Tuesday July 28, 2026 @10:50AM (#49084836)
> You are extremely unlikely to get HIV from anything other than risky sex.

Yes because it is such a fantastic idea to just ignore that there is still a risk regardless of what we call "risky" sex just because it doesn't fit in your puritanical views of sex.

If someone can get HIV the first time they have sex than your entire argument is moot.

Just have the conversation with your doctor and protect yourself and stop trying to push your views on others.

This is such a simple thing to say, talk to your doctor. Thats it. If doing so stops one person who is not engaging in anything that we would deem being risky from getting HIV, that is a win. There is nothing in your world that would stop someone who is having sex with someone that maybe they have been going on several dates, from getting HIV from that person if a mistake happens.

And yet, you seem to think that we are saying that you should be going to an orgy every other day.

Oh and let's not ignore that there are monogamous couples that one may have HIV and they need to also protect themselves.

Re:New HIV vaccine shows unprecedented success in preclinica... by UltraSane on Tuesday July 28, 2026 @11:06AM (#49085062)
Are you arguing that all sexually active people should take prep?
Re:New HIV vaccine shows unprecedented success in preclinica... by nerdjon on Tuesday July 28, 2026 @04:47PM (#49089707)
I am arguing that all sexually active people (except maybe those in a fully confirmed monogamous relationship) should at a minimum have a conversation with their doctor about it and their doctor should bring it up.

Maybe it isn't worth it for you in the end after that conversation, but we should also not assume that the only way you get HIV is through "risky" behavior. That is irresponsible.

At least you would know it's an option and you can make the decision yourself, I know a lot of straight people that do not know prep exists because it just isn't talked about. Or maybe they have heard about it but they don't really understand what it is. That is a problem.

Re:New HIV vaccine shows unprecedented success in preclinica... by UltraSane on Tuesday July 28, 2026 @05:35PM (#49090235)
In developed nations like the US, health economic models estimate that deploying PrEP across generalized heterosexual groups costs anywhere from $150,000 to over $1 million per single HIV transmission prevented.
Re:New HIV vaccine shows unprecedented success in preclinica... by nerdjon on Tuesday July 28, 2026 @06:28PM (#49090847)
I would be very curious if that cost was before or after Truvada went generic.

Through cost plus a month's supply is $14 (which means without insurance): https://www.costplusdrugs.com/medications/emtricitabine-teno...

Yes there is the additional costs of the tests on top of that, but people should already be doing regular STD testing if they are sexually active.

Regardless, nothing about that changes that you should still be having this conversation with your doctor if you are sexually active. I do not understand how this is an argument, a conversation about prep or doxy should be in the same conversation about condoms and your general sexual health.

The worst that is going to happen from that conversation is that you don't take it, but at the very least you are educated on its existence and that decision is made between you and your doctor based on your risk factors.

Edit:

In fact, the CDC backs up this opinion: https://www.cdc.gov/hivnexus/hcp/prep/index.html

> Inform all sexually active adult and adolescent patients about PrEP.

> Prescribe PrEP to anyone who asks for it, including sexually active people who do not report HIV risk factors.

Re:New HIV vaccine shows unprecedented success in preclinica... by mattjhall on Tuesday July 28, 2026 @03:06PM (#49088455)
> Is someone irresponsible enough to pursue causal, unprotected sex with random partners also likely to be responsible enough to visit a doctor proactively and comply with a prep regimen?

Yes, it's the exact reason that it is widely available on the NHS. 20,000 people took it, adherence was high, HIV rates dropped significantly.

> Sure, it's a "really good idea," but a simpler and better idea is not to have random sex in the first place

Shaming people has been tried for centuries, maybe millennia and famously _does not work_. We have ample evidence that PrEP does.

Re:New HIV vaccine shows unprecedented success in preclinica... by rsynnott on Wednesday July 29, 2026 @07:29AM (#49096056)
> Is someone irresponsible enough to pursue causal, unprotected sex with random partners also likely to be responsible enough to visit a doctor proactively and comply with a prep regimen?

Er, I mean, a decent portion of gay men in the developed world, honestly. (I say this as a gay man in the developed world.)

Re:New HIV vaccine shows unprecedented success in preclinica... by bluGill on Tuesday July 28, 2026 @10:29AM (#49084482)
I don't see how you are disagreeing. We are both saying that a lot more people are having risky sex than think they are.
Re:New HIV vaccine shows unprecedented success in preclinica... by nerdjon on Tuesday July 28, 2026 @10:36AM (#49084616)
I guess it depends on what we call risky, I mean if someone is actively trying to get pregnant are we considering that "risky"?

Someone could be taking the necessary precautions and a mistake happens, a condom breaks, whatever. Someone could have sex with one person in their life and they got it from that person. I would not consider that "risky" in any real sense of the word.

Any sex carries some amount of risk, and the key is being risk aware and not assuming that just because you are not engaging in what is generally deemed "risky" that you are safe. Instead you should be having that conversation with your doctor and determining what your risk tolerance is.

That is where I disagree, how many people are positive that never considered themselves engaging in risky behavior.

To me it is very dangerous, and leads to the situation we are in now, to just say only even consider prep if you are engaging in risky behavior.

Re:New HIV vaccine shows unprecedented success in preclinica... by bluGill on Tuesday July 28, 2026 @05:55PM (#49090442)
Someone trying to get pregnant is most likely to be low risk since odds are good they have a specific partner in mind and are having enough sex that they don't care to stray. Not always but in general

There are many pregnancies that result from one night stands and those are high risk, but only rarely was pregnancy a goal.

Also HIV spreads most often from anal sex. Someone trying to get pregnant is less likely to get HIV just because of how they are having sex and so lower risk. (Not zero though, don't rely on statistics with your life of your partner has HIV)

The topic here is HIV risk. Obviously getting pregnant requires unprotected sex, but the risk of HIV is about sex with someone who has it.

Re:New HIV vaccine shows unprecedented success in preclinica... by simonask on Tuesday July 28, 2026 @10:34AM (#49084580)
All sex is risky by this measure.

Condoms break. Partners lie. Shit happens.

It doesn’t take a lot for the risks to far outweigh any potential side effects. As far as I’m aware, every healthcare system in the developed world either recommends or enforces checkups after starting PrEP.

Re:New HIV vaccine shows unprecedented success in preclinica... by Saline9515 on Tuesday July 28, 2026 @11:14AM (#49085184)
The LGBT community should also think about abandoning some risky practices which allow infections, and promote antibiotic resistance in the case of doxycicline "prep".

But I guess that sex without condoms is worth it, right?

Re:New HIV vaccine shows unprecedented success in preclinica... by matthewmacleod on Tuesday July 28, 2026 @12:18PM (#49086176)
Any solution to a public health problem that involves moralising about how groups should change their behaviour is not only doomed, it’s actively counterproductive.

And doxycycline is a PEP treatment, not a PrEP treatment; respectfully you should probably take a step back from conversations where you obviously aren’t informed about the basics.

Re:New HIV vaccine shows unprecedented success in preclinica... by Saline9515 on Wednesday July 29, 2026 @03:01AM (#49094244)
The solution to the STD epidemic was moralizing teenagers to tell them to put on condoms. I was told personally several times in sex ed, biology classes and on-the fly by teachers and adults that condoms were not an option for casual sex. It worked.

Regarding PEP/PreP, Doxy has been researched and shown effective as PreP as well:

https://www.sciencedirect.com/science/article/pii/S120197122...

I have met doctors that recommended it to gay men, which is why I mentioned it.

Re:New HIV vaccine shows unprecedented success in preclinica... by neonstatic on Tuesday July 28, 2026 @11:44AM (#49085631)
> But I guess that sex without condoms is worth it, right?

Not speaking about LGBT related matters; Sex without condom is just like everything else - it depends on the person. For some people there is little to no difference. For others, wearing the condom removes all sensation, reducing the act to physical exercise. So is sex without condoms worth it? For some people, yes, it is.

Re:New HIV vaccine shows unprecedented success in preclinica... by tigerlily on Tuesday July 28, 2026 @12:42PM (#49086545)
And still others may be allergic to LaTeX.
Re:New HIV vaccine shows unprecedented success in preclinica... by derektank on Wednesday July 29, 2026 @12:36AM (#49093464)
The “LGBT community” broadly does not engage in risky sex practices. Lesbians don’t have regular, no strings attached sex and are at lower risk of contracting HIV than straight women. The common denominator is horny men, specifically horny men that have access to a variety of different sex partners.
Re:New HIV vaccine shows unprecedented success in preclinica... by abirch on Tuesday July 28, 2026 @10:13AM (#49084202)
Compliance is the big thing.

Vaccines are the "an ounce of prevention is worth a pound of cure"

Re:New HIV vaccine shows unprecedented success in preclinica... by gib444 on Tuesday July 28, 2026 @11:25AM (#49085342)
PrEP is freely available in the UK and there is almost no requirement in practice of engaging in risky sex. I don't know anyone turned down for not having risky enough sex

Which countries are you talking about out of curiosity?

Re:New HIV vaccine shows unprecedented success in preclinica... by fhdkweig on Tuesday July 28, 2026 @10:26AM (#49084413)
It is endemic in the simian population. It will keep crossing over into humans again and again. It has done it before several times. People who live near forests would have to be on Prep everyday of their lives. The reason they eat bushmeat is the because they are poor and will be too poor to afford daily medication. A once-and-done vaccine would at least stop new crossovers. Only then could we really get a handle on ending this disease world-wide.
Re:New HIV vaccine shows unprecedented success in preclinica... by tpolm on Tuesday July 28, 2026 @06:17PM (#49090722)
HIV did not exist in human population before XX centiry. Crossings from SIV are extremely rare - vaccinations is about HIV, not SIV
Re:New HIV vaccine shows unprecedented success in preclinica... by inemesitaffia on Wednesday July 29, 2026 @12:18AM (#49093369)
>The reason they eat bushmeat is the because they are poor

This doesn't cover all the reasons

Re:New HIV vaccine shows unprecedented success in preclinica... by skybrian on Tuesday July 28, 2026 @11:27AM (#49085378)
There are some dubious metaphors in use here. Public health is not about math problems to be “solved.” “A solution exists” is just a milestone. “We just have to use them” - yes, but leave out “just,” there is more to do and it’s hard.

The answer to “are more tools really going to help” is always going to be “it depends.” Promising interventions sometimes fail entirely. If they statistically improve outcomes, that’s a win. Only occasionally is a disease entirely eradicated.

Re:New HIV vaccine shows unprecedented success in preclinica... by wat10000 on Tuesday July 28, 2026 @12:53PM (#49086723)
> If your solution to some problem relies on “If everyone would just...” then you do not have a solution. Everyone is not going to just. At not time in the history of the universe has everyone just, and they’re not going to start now.

https://www.tumblr.com/squareallworthy/163790039847/everyone...

Re:New HIV vaccine shows unprecedented success in preclinica... by niceguy1827 on Tuesday July 28, 2026 @09:54AM (#49083942)
This is the wrong take. You are basically arguing that if we have one solution, why bother having a second one?
Re:New HIV vaccine shows unprecedented success in preclinica... by mohamedkoubaa on Tuesday July 28, 2026 @11:08AM (#49085099)
"Grandma needs to stop taking her statins and just exercise" type shi
Re:New HIV vaccine shows unprecedented success in preclinica... by evilfred on Tuesday July 28, 2026 @09:56AM (#49083964)
prep is great but i would really rather take a one-time vaccine than be expected to take an expensive pill forever that could mess up my liver
Re:New HIV vaccine shows unprecedented success in preclinica... by SoftTalker on Tuesday July 28, 2026 @10:36AM (#49084606)
Which one do you suppose the pharmaceutical companies would prefer?
Re:New HIV vaccine shows unprecedented success in preclinica... by ChadNauseam on Tuesday July 28, 2026 @12:18PM (#49086190)
I’d guess the ones developing the vaccine would rather you take the vaccine
Re:New HIV vaccine shows unprecedented success in preclinica... by mtoner23 on Tuesday July 28, 2026 @10:50AM (#49084830)
I'm sure they will gladly sell us both
Re:New HIV vaccine shows unprecedented success in preclinica... by evilfred on Tuesday July 28, 2026 @12:41PM (#49086528)
who do you expect to create pharmaceuticals other than pharmaceutical companies? sheesh
Re:New HIV vaccine shows unprecedented success in preclinica... by wat10000 on Tuesday July 28, 2026 @12:53PM (#49086717)
The company making the expensive pill you take forever would prefer the pill. Competitors who don't make those pills would love to develop a vaccine and put that first company out of business.
Re:New HIV vaccine shows unprecedented success in preclinica... by greggsy on Tuesday July 28, 2026 @09:35AM (#49083660)
Isn’t prep more like a prophylactic, as opposed to a a vaccine?

I’m more familiar with malaria, where the preventative medicines are currently more effective than the vaccines.

Re:New HIV vaccine shows unprecedented success in preclinica... by RGS1811 on Tuesday July 28, 2026 @09:38AM (#49083709)
The analogy to malaria is pretty on point. Pre-Exposure Prophylaxis (PrEP) is, you nailed it, prophylactic. It's not as good as a vaccine would be, and it's not as cheap as a one-and-done shot, but we've gotten to the point where you can get one shot every six months (lenacapavir) and, it's 99%+ effective at preventing infection. And, much like with malaria, the prophylaxis works— there is currently no HIV vaccine that reliably prevents infection.
Re:New HIV vaccine shows unprecedented success in preclinica... by fluoridation on Tuesday July 28, 2026 @12:29PM (#49086365)
"Prophylactic" is a broad-enough word to encompass vaccines, as well, so I'm not sure what you're getting at. It just means something that defends against disease.
Re:New HIV vaccine shows unprecedented success in preclinica... by greggsy on Wednesday July 29, 2026 @05:25AM (#49095134)
Vaccines can be singled out as a specific type of prophylaxis.

The distinction is that a vaccine will train your immune system to actively destroy the foreign body, while a prophylactics might just prevent it from spreading or taking hold to begin with.

Re:New HIV vaccine shows unprecedented success in preclinica... by fluoridation on Wednesday July 29, 2026 @07:02AM (#49095848)
I have no idea what you're trying to say. An antiviral drug will destroy the pathogen just as much as the body would; that's how it prevents the disease from manifesting. What do you think would otherwise happen to HIV particles in your bloodstream? They just hang in there until the antiviral effects run out?
Re:New HIV vaccine shows unprecedented success in preclinica... by greggsy on Thursday July 30, 2026 @06:14PM (#49116566)
The difference is that your body doesn’t make antiviral drugs. It does make antibodies after it has been trained to do so with a vaccine.
Re:New HIV vaccine shows unprecedented success in preclinica... by ChrisRR on Tuesday July 28, 2026 @09:49AM (#49083877)
There's still a huge difference between a one off injection and lifelong tablets.
Re:New HIV vaccine shows unprecedented success in preclinica... by mathgeek on Tuesday July 28, 2026 @09:54AM (#49083938)
From a convenience factor, sure, but both effectively turn a death sentence into a solved problem. I believe GP was pointing out that we should prioritize funding for the existing solution until the more convenient one is available.
Re:New HIV vaccine shows unprecedented success in preclinica... by xutopia on Tuesday July 28, 2026 @11:15AM (#49085207)
PrEP is difficult on the body over time and though it can be used if you are high risk you are meant to avoid certain medications while using it and have to do follow ups with your doctor to check organ functions.
Re:New HIV vaccine shows unprecedented success in preclinica... by alittlebee on Tuesday July 28, 2026 @11:48AM (#49085696)
My hiv exposure was from an SA, I wasn’t on Prep. This will still save lives!
Re:New HIV vaccine shows unprecedented success in preclinica... by giantg2 on Tuesday July 28, 2026 @10:31AM (#49084516)
"The ongoing loss of life and health due to HIV could be stopped if we cared enough to invest resources in wide-scale PrEP availability and public health education."

It wouldn't be stopped, only slowed. You would still have transmission from accidental or unknown exposure. You would also have a small portion of the population that didn't care, regardless of the education.

Re:New HIV vaccine shows unprecedented success in preclinica... by simonask on Tuesday July 28, 2026 @10:36AM (#49084623)
As we all hopefully learnt from COVID-19, slowing sufficiently is the same as stopping. It’s a numbers game. Slowing transmission below some threshold will eventually mean that there are no new transmissions.
Re:New HIV vaccine shows unprecedented success in preclinica... by giantg2 on Tuesday July 28, 2026 @01:05PM (#49086888)
Then why aren't STDs, TB, etc, eliminted. Even heavily vaccinated diseases are still around and pop back up occasionally. The only one eliminted was smallpox.
Re:New HIV vaccine shows unprecedented success in preclinica... by OkayPhysicist on Tuesday July 28, 2026 @02:26PM (#49087935)
Most STDs we don't have vaccines for, and the ones that have survived to the modern day are the ones that can be good at hiding. Syphilis, for example, has the nasty habit of seemingly going away by itself, only to pop up again years later. Chlamydia and Gonorrhea can be asymptomatic.

The only reason we haven't eradicated TB is because we've failed massively in getting the vaccine to people in the poorer parts of the world. We could eliminate it just like we did smallpox, the only barrier is actually doing the damn thing. It is made more difficult by the fact that it has a rather long latent infection time, but again, could be solved by vaccinating everyone.

Re:New HIV vaccine shows unprecedented success in preclinica... by est31 on Tuesday July 28, 2026 @10:03AM (#49084068)
For rich people (meaning the ~3 billion people that have some sort of access to medical infrastructure), it is a solved problem, but there are quite many people without any access to it. Even for those "solved problem" people, taking a pill every day to be protected is inconvenient. They might not take it every day, etc.

Also, even if it were a solved problem, the methodologies developed here can probably help with other viruses too in the future. This has already happened with the antivirals originally developed for HIV.

Re:New HIV vaccine shows unprecedented success in preclinica... by compass_copium on Tuesday July 28, 2026 @10:12AM (#49084187)
Again, inaccurate. You can get a PrEP shot twice a year now.

Access is a valid point. Perhaps the money being used to fund a superfluous vaccine should be used to fund access to PrEP in the Third World.

Re:New HIV vaccine shows unprecedented success in preclinica... by thinkcontext on Tuesday July 28, 2026 @11:11AM (#49085141)
> Perhaps the money being used to fund a superfluous vaccine should be used to fund access to PrEP in the Third World

An astounding statement. Is it not possible that a vaccine giving decades of protection would give better health outcomes than doing PrEP every 6 months?

Re:New HIV vaccine shows unprecedented success in preclinica... by Muromec on Tuesday July 28, 2026 @01:25PM (#49087139)
Or maybe we should solve poverty which is a proxy to all kinds of solved problems that somehow still exist
Re:New HIV vaccine shows unprecedented success in preclinica... by lizknope on Tuesday July 28, 2026 @10:18AM (#49084279)
I was 16 when Magic Johnson announced he had AIDS. That was the first time it felt real to me. I remember a couple of friends crying because we all thought he would be dead in 1-2 years. And here he is and seems to be living a normal life.
Re:New HIV vaccine shows unprecedented success in preclinica... by SoftTalker on Tuesday July 28, 2026 @10:37AM (#49084646)
He doesn't have AIDS, he's HIV-positive.
Re:New HIV vaccine shows unprecedented success in preclinica... by kstrauser on Tuesday July 28, 2026 @12:13PM (#49086093)
I understand the difference between those statements, but confess that I'm not clear on the important distinction. Are there situations where untreated HIV doesn't progress to AIDS? Is the virus more transmissible in someone with AIDS than someone who's still at the HIV-positive stage?

Asking here because I don't know, and I think an answer might help others know, too.

(And to clarify, I genuinely don't know, and I'm asking from a supportive POV.)

Re:New HIV vaccine shows unprecedented success in preclinica... by freeone3000 on Tuesday July 28, 2026 @12:39PM (#49086509)
We are unaware of any situations where HIV+ doesn’t turn into AIDS without treatment.

But being HIV+ is simply having a virus, not actively dying. HIV+ status also never clears - later tests that are “negative” mean your viral load is undetectable, at which point you can no longer transmit HIV to others. Undetectable = Untransmissable.

Re:New HIV vaccine shows unprecedented success in preclinica... by SoftTalker on Tuesday July 28, 2026 @03:55PM (#49089064)
FTA, it seems that a (very) small number of people develop effective antibodies againt HIV.

"These antibodies are very, very rare, but they can be found in blood samples from a small number of people living with HIV.

The vaccine causes the immune system to produce more of these "broadly neutralizing" antibodies.

Re:New HIV vaccine shows unprecedented success in preclinica... by kstrauser on Tuesday July 28, 2026 @01:01PM (#49086836)
That all makes sense. A couple things I’m still not clear on:

* If someone has a negative test after treatment, but that’s not counted as “cured”, does that imply it could (or maybe will) come back if treatment is stopped?

* What’s the importance of the distinction between HIV+ vs AIDS, from a public health or human perspective? We don’t talk about influenza+ vs “has the flu”, at least as far as I know. Does HIV+ carry less stigma than AIDS?

Thanks for your earlier answer. I know this specific infection has lots of difficult history. It’s hard to formulate my questions without sounding suspiciously close to a sea lion or something, but I sincerely want to know. And yes, I could google it but then it wouldn’t be an interesting conversation, or one others could read and learn from.

Re:New HIV vaccine shows unprecedented success in preclinica... by freeone3000 on Tuesday July 28, 2026 @02:16PM (#49087813)
* If someone has a negative test after treatment, but that’s not counted as “cured”, does that imply it could (or maybe will) come back if treatment is stopped?

Yes. HIV+ patients require antiretroviral treatment for the remainder of their lives. Most are able to manage with a pill regimen. This is not to say it is cheap or side effect free, but most HIV+ people are able to live normal lives with outpatient support.

(To link it back, PrEP is the same drug used to treat; ex, emtricitabine + tenofovir. Dosage, schedule differs. Other antiretrovirals may be chosen.)

* What’s the importance of the distinction between HIV+ vs AIDS, from a public health or human perspective? We don’t talk about influenza+ vs “has the flu”, at least as far as I know. Does HIV+ carry less stigma than AIDS?

Public health does talk about Inflenza (and other viral positive) individuals. Public messaging is usually with the term “carrier” - but in jargon, this implies that the individual will likely mot develop the disease themself, and will remain asymptomatic, which is untrue for HIV. NCoV-19, recently in the public eye more than any other virus, has a lot of literature around positive tests vs disease.

Re:New HIV vaccine shows unprecedented success in preclinica... by kstrauser on Tuesday July 28, 2026 @03:25PM (#49088702)
1. What a freaking miracle. Growing up in the 80's, the notion was terrifying. I was straight and it was something my friends and I discussed. I can't imagine how awful it must've been for gay communities. Again, what a miracle.

2. OK, fair point.

Thanks for the info! I know HIV isn't exactly "no big deal" today, but seeing it go from "you're certain to die" to "it's annoying to have to take medicine forever" is still a wonder of modern science.

Re:New HIV vaccine shows unprecedented success in preclinica... by rsynnott on Wednesday July 29, 2026 @07:36AM (#49096103)
> What’s the importance of the distinction between HIV+ vs AIDS, from a public health or human perspective? We don’t talk about influenza+ vs “has the flu”, at least as far as I know. Does HIV+ carry less stigma than AIDS?

Generally if you have the influenza virus, you’ll also have the disease that that virus causes. This is true of most viruses. I’m not sure any other virus does the “undetectable and untransmissible, but still _there_” thing; generally, if you get viral load to undetectable for most viruses, it will go away entirely. HIV is unusually good at dealing with the human immune system.

Re:New HIV vaccine shows unprecedented success in preclinica... by est31 on Wednesday July 29, 2026 @09:09AM (#49097055)
HIV virus inserts itself into the DNA of long lived cells in your organism, and it stays around as long as those cells stay around, which is (unless u have blood cancer and your doctors decide to kill those cells) your entire life.

That constant low level stream of HIV viruses in your body can cause the virus to return at any moment you stop the therapy. So you have to take daily pills for the rest of your life to stop that stream from exponential growth and killing all of your immune system.

The last part is what is referred to as AIDS: your immune system is so weak that even the simplest pathogens can kill you, which they usually do once you reach AIDS stage.

There are a couple of viruses that can lay dormant in you and cause problems later on. Many of them insert themselves into the DNA of long living cells.

Without therapy, HIV will progress to AIDS in a couple of years in basically 99.9% of patients. Some very rare cases are known where HIV patients survive without getting AIDS and therapy, via broadly neutralizing antibodies. But again, less than a tenth of a percent. Everyone else would die without a therapy.

Being HIV positive isn't a death sentence, if you take your meds (and started taking them early after HIV infection) you can live for as long as someone who isn't HIV positive. In fact studies show that the effect of regularly going to a doctor and getting your blood checked actually improves your life chances. HIV positive people can do 99% of the things normal people can, although they are not allowed to donate blood (for good reason).

Having AIDS though is a major impairment and you are on your way to death at that stage (1-3 years to live). So it makes sense to distinguish the two.

Re:New HIV vaccine shows unprecedented success in preclinica... by cucumber3732842 on Tuesday July 28, 2026 @11:42AM (#49085597)
Everything is a "solved problem" if you're willing to ignore a variable (usually money or human life/toil).
Re:New HIV vaccine shows unprecedented success in preclinica... by smcg on Tuesday July 28, 2026 @09:58AM (#49083998)
Those on prep would welcome a vaccine, it would be a significant improvement. I agree that this is no reason to take the foot off the gas with prep availability, we need more ASAP.
Re:New HIV vaccine shows unprecedented success in preclinica... by gadders on Tuesday July 28, 2026 @09:59AM (#49084014)
Is it not available in pharmacies?
Re:New HIV vaccine shows unprecedented success in preclinica... by freeone3000 on Tuesday July 28, 2026 @12:47PM (#49086628)
Very dependent on locality. Mine requires a prescription for every refill, and I must continually meet certain risk criteria to qualify.
Re:New HIV vaccine shows unprecedented success in preclinica... by XorNot on Tuesday July 28, 2026 @09:32AM (#49083612)
Who's waiting? The problem is the populations we need to distribute it to can least afford it.

The reason we want a vaccine is because there's a huge logistics difference between a twice yearly injection and the real magic of something more like an MMR shot where one dose is usually effective for life.

Re:New HIV vaccine shows unprecedented success in preclinica... by ajsnigrutin on Tuesday July 28, 2026 @10:26AM (#49084423)
It's a problem that was "solved" long before that by just wearing a condom and protecting yourself against other diseases too, and even pregnancy. Condoms are cheap, widely available and decades of condom-related education has been given out to many different generation of kids and adults worldwide.

Somehow we still need day after pills, abortions, antibiotics and other STD meds, and vaccines, now (hopefully) for HIV too.

Re:New HIV vaccine shows unprecedented success in preclinica... by SoftTalker on Tuesday July 28, 2026 @10:57AM (#49084918)
> Somehow we still need...

So, clearly condoms are not the complete answer. Any solution that does not acknowledge the reality of how people actually behave is going to be imperfect.

We live in a messy world.

Re:New HIV vaccine shows unprecedented success in preclinica... by wat10000 on Tuesday July 28, 2026 @12:57PM (#49086781)
If only Isaac Asimov had worn a condom, he might still be with us today.
Re:New HIV vaccine shows unprecedented success in preclinica... by ebruchez on Tuesday July 28, 2026 @09:34PM (#49092364)
I got here to mention Asimov. For those unaware, it was revealed 10 years after his death that he had actually died of HIV, contracted from a blood transfusion during a heart operation. It's quite tragic.
Re:New HIV vaccine shows unprecedented success in preclinica... by OkayPhysicist on Tuesday July 28, 2026 @02:31PM (#49088004)
And they suck. Everyone who's ever worn one knows they suck. If they're too big they completely kill all sensation, if they're too small they cut off circulation, leading to, you guessed it, total loss of sensation. Topped off with the fact that they fail during higher friction activities (you know, exactly the kind that drastically increase HIV transmission risk), they're never going to be an adequate solution, because there will always be people who'll risk it, because what's the point in having sex if you're not going to feel it anyway?
Re:New HIV vaccine shows unprecedented success in preclinica... by Der_Einzige on Tuesday July 28, 2026 @10:41AM (#49084706)
Public health education means getting gay men to start wearing condoms or dental dams and apparently that's a bridge too far for them.

The total refusal for anyone at scale pretty much anywhere to use dental dams is particularly egregious:

https://www.theatlantic.com/health/archive/2019/04/dental-da...

https://slate.com/human-interest/2021/08/no-condoms-gay-sex-...

https://www.washington.edu/news/2024/02/27/qa-decline-in-con...

https://www.huffingtonpost.co.uk/entry/prep-condoms-gay-sexu...

At least a portion of the amount of people "in the closet" are closeted for fear of STDs, not particularly because of social stigma risk.

Re:New HIV vaccine shows unprecedented success in preclinica... by Varelion on Tuesday July 28, 2026 @09:32AM (#49083613)
Project 2025 vehemently goes against of it. Why was I downvoted? I am right. The american government strides in lockstep with P25 and corruption.
Re:New HIV vaccine shows unprecedented success in preclinica... by RajT88 on Tuesday July 28, 2026 @09:39AM (#49083720)
Long history of not wanting to address the epidemic:

https://en.wikipedia.org/wiki/Ronald_Reagan_and_AIDS

Re:New HIV vaccine shows unprecedented success in preclinica... by Telemakhos on Tuesday July 28, 2026 @10:29AM (#49084470)
Nobody else said it, so I will. Halting HIV transmission is a solved problem if people are willing to give up sex with untested strangers. The same is true of syphilis, monkeypox, and every other sexually transmitted disease. It says a lot about human nature that a small number of people would rather have society spend vast sums of money researching and developing prophylactics and vaccines instead of changing their own behavior, while the vast majority have enough self-control not to catch diseases through random sex.

> The ongoing loss of life and health due to HIV could be stopped if we cared enough to invest resources in...public health education.

It's definitely a problem of caring, but not one of education: there are not honestly many people out there who don't know that random sex leads to diseases, but there are some people who just don't care enough to prevent their spread. If they did care, they would have sex only with known, tested partners. Minimizing harms through additional investment of resources just leads people to continue to fail to care, at society's expense.

Re:New HIV vaccine shows unprecedented success in preclinica... by dijit on Tuesday July 28, 2026 @10:34AM (#49084568)
> ... a solved problem if people are willing to give up sex with untested strangers

It's wired into our DNA to do this, and while we can be socialised out of it, you'll never get anywhere close to the near 100% you'd need.

Re:New HIV vaccine shows unprecedented success in preclinica... by felixg3 on Tuesday July 28, 2026 @10:33AM (#49084546)
Besides that, PrEP has enabled the return of non-HIV STIs in major cities like Berlin where a lot of the community has returned to raw-dogging since the AIDS-Scare has become a historical artifact.
Re:New HIV vaccine shows unprecedented success in preclinica... by dyauspitr on Tuesday July 28, 2026 @11:13AM (#49085161)
Is that a huge problem? Doesn’t almost everything else have a prophylactic and is curable? Hep-C might be the only other one I believe and I’m unaware if it’s treatable or not.
Re:New HIV vaccine shows unprecedented success in preclinica... by gib444 on Tuesday July 28, 2026 @11:28AM (#49085389)
Antibiotic resistant syphilis and ghonerrea don't sound like a fun time
Re:New HIV vaccine shows unprecedented success in preclinica... by wat10000 on Tuesday July 28, 2026 @01:00PM (#49086818)
More or less fun than dying of AIDS?
Re:New HIV vaccine shows unprecedented success in preclinica... by gib444 on Tuesday July 28, 2026 @02:09PM (#49087740)
Don't move the conversation goalposts (and we don't do "gotchas" here, as you well know)

And AIDS is not considered a death sentence btw. It's not the 1980s

Re:New HIV vaccine shows unprecedented success in preclinica... by wat10000 on Tuesday July 28, 2026 @02:37PM (#49088089)
This subthread is specifically about better HIV treatments leading to an increase in other STIs. Did you forget about what you were replying to?
Re:New HIV vaccine shows unprecedented success in preclinica... by gib444 on Wednesday July 29, 2026 @12:41PM (#49099792)
When I reply to a comment, it's a reply to that comment. Which I don't think you even read
Re:New HIV vaccine shows unprecedented success in preclinica... by wat10000 on Wednesday July 29, 2026 @12:53PM (#49099974)
So we’re supposed to ignore all the context leading up to it? What did I supposedly not read, then? Some other comment that’s no longer relevant here?
Re:New HIV vaccine shows unprecedented success in preclinica... by simonask on Tuesday July 28, 2026 @10:43AM (#49084731)
Abstinence has been shown to be an extremely, hilariously, stupidly ineffective strategy in all questions of human sexual health.

The HIV/AIDS epidemic would not have been nearly as serious as it was if people like you and the Catholic Church hadn’t advocated for it over all other measures.

It doesn’t work. Change your mind.

Re:New HIV vaccine shows unprecedented success in preclinica... by nextaccountic on Tuesday July 28, 2026 @05:39PM (#49090282)
I agree but asking your partners to get tested is not abstinence
Re:New HIV vaccine shows unprecedented success in preclinica... by simonask on Wednesday July 29, 2026 @03:33AM (#49094443)
The post I replied to criticized people’s choice to have “random sex”, i.e. they suggest a behavioral change.

Getting tested is great practice, but you can’t rely on partners being diligent or consistent with that for your own safety.

Re:New HIV vaccine shows unprecedented success in preclinica... by dyauspitr on Tuesday July 28, 2026 @11:11AM (#49085137)
Literally no one asks for proof of an STD test before sleeping with them. You might ask someone if they have STDs and use a condom but that’s how 99.99% of how people sleep with other strangers.
Re:New HIV vaccine shows unprecedented success in preclinica... by basisword on Tuesday July 28, 2026 @10:45AM (#49084774)
Most things are a solved problem if we give up the things that make life worth living. Obesity is a solved problem if you just eat for health. Road traffic deaths are a solved problem if you never leave your house. Suicides are a solved problem if you just don't kill yourself.
Re:New HIV vaccine shows unprecedented success in preclinica... by Der_Einzige on Tuesday July 28, 2026 @10:44AM (#49084757)
This is the brainlet version of the correct take, which is "anal sex without condoms is objectively bad from a public health perspective".

If compliance with safe sex techniques were anywhere close to where it should be, this wouldn't be a problem.

Re:New HIV vaccine shows unprecedented success in preclinica... by matthewmacleod on Tuesday July 28, 2026 @12:20PM (#49086217)
So in other words… it’s not a solved problem. What point are you trying to make?
Re:New HIV vaccine shows unprecedented success in preclinica... by InsideOutSanta on Tuesday July 28, 2026 @12:28PM (#49086345)
It's not a small number, and like you point out, this is human nature, so asking people to stop is pointless. If people always acted rationally and with empathy for others, everything would be much easier. There would have been no Covid pandemic, no global warming, no drunk driving, and so on.

Yet here we are, needing laws, cops, vaccines, and so on. Asking people to only have absolutely safe sex due to its external effects is about as useful as asking them to stop eating meat due to its external effects.

Re:New HIV vaccine shows unprecedented success in preclinica... by a-dub on Tuesday July 28, 2026 @12:26PM (#49086322)
it's actually an interesting question: is there a point where the long acting prep injections have effective durations that look like vaccines and boosters. and yes, sadly, it appears that convenience and some of the psychological aspects of marketing play outsized roles in public health.

either way, worth doing. you never know when circumstances might change and another tool in the toolbox becomes essential.

Re:New HIV vaccine shows unprecedented success in preclinica... by tonnydourado on Tuesday July 28, 2026 @12:46PM (#49086616)
Transportation was a solved problem with horses, doesn't mean the car isn't a good idea. Same for internal combustion and EVs.

A vaccine is an objectively better solution than PrEP, just because of the time scale, PrEP needs discipline on a daily or x-monthly basis. A vaccine could last for years. Although, realistically, it's more likely to end up requiring yearly updates like COVID, because HIV is also a mutating son of a bitch.

I 100% agree that waiting for a vaccine is stupid beyond measure. The world should do both: make PrEP widely available AND keep funding vaccine research.

Re:New HIV vaccine shows unprecedented success in preclinica... by someguydave on Wednesday July 29, 2026 @09:02AM (#49096976)
In the meanwhile everyone infected with HIV should be permanently quarantined like in Cuba
Re:New HIV vaccine shows unprecedented success in preclinica... by leptons on Tuesday July 28, 2026 @12:51PM (#49086686)
This isn't just about HIV, it's about finding new ways to approach viruses. HIV wasn't the first and won't be the last virus we don't have a way to stop. This research adds to our knowledge about ways to attack some of the trickier viruses.
Re:New HIV vaccine shows unprecedented success in preclinica... by alightsoul on Tuesday July 28, 2026 @12:58PM (#49086794)
In the global south a significant barrier is the lack of sex education, driven by local christian associations, which have significant power in local societies. They see it as "gender ideology" or as preventing births and thus being against the bible.
Re:New HIV vaccine shows unprecedented success in preclinica... by fortran77 on Tuesday July 28, 2026 @03:26PM (#49088709)
It's a solved problem for people in stable environments, who can follow instructions, take medication, etc.
Re:New HIV vaccine shows unprecedented success in preclinica... by jitl on Tuesday July 28, 2026 @03:44PM (#49088917)
A few people I know on PrEP have annoying uncomfortable side-effects. Vaccines are largely more tolerable, especially on a discomfort/time metric.
Re:New HIV vaccine shows unprecedented success in preclinica... by kosh2 on Tuesday July 28, 2026 @04:46PM (#49089696)
Are people still getting infected? Yes? Then it is not a solved problem.
Re:New HIV vaccine shows unprecedented success in preclinica... by j2j8 on Wednesday July 29, 2026 @12:15AM (#49093346)
In exchange for accelerated ageing for being on lifelong HIV drugs. That side effect could be because the reverse transcriptase in humans is telomerase.
Re:New HIV vaccine shows unprecedented success in preclinica... by ElProlactin on Wednesday July 29, 2026 @01:25AM (#49093707)
> The ongoing loss of life and health due to HIV could be stopped if we cared enough to invest resources in wide-scale PrEP availability and public health education.

I take it you've never been to rural parts of Africa, Southeast Asia, Latin America.

Re:New HIV vaccine shows unprecedented success in preclinica... by raxxorraxor on Wednesday July 29, 2026 @02:51AM (#49094177)
I disagree that this is a solution. Being dependent on life long medication isn't a trivial problem and transmission must still be seen as serious.

But of course it should be available to all that need it.

Re:New HIV vaccine shows unprecedented success in preclinica... by rsynnott on Wednesday July 29, 2026 @07:14AM (#49095934)
While that’s _kind_ of true, in practice compliance is going to be an issue. People are bad at taking medication, especially on an indefinite basis. As is, a lot of people use ‘event-based PrEP’ (dosing only before and a couple days after potential infection). There’s a lot of room for error. A working vaccine would definitely be preferable.