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A comment on Covid-19 Antibody Seroprevalence in Santa Clara County, California. Parent comment

Re:Covid-19 Antibody Seroprevalence in Santa Clara County, C... by fiftyfifty on Friday April 17, 2020 @03:02PM (#22901875)
What percentage of immunity can we expect to see a slowdown in the spread of the disease? While we may need 60% or more to achieve full herd immunity surely somewhere lower than that we can expect to see a noticeable reduction in the spread?
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Re:Covid-19 Antibody Seroprevalence in Santa Clara County, C... by ignoramous on Friday April 17, 2020 @04:02PM (#22902446)
> ...noticeable reduction in the spread?

I believe the SIR model [0] answers those questions. 3blue1brown's video on the topic is super digestible and informative [1].

In short, the discovery of a prophylactic if not a therapeutic treatment are our best immediate bets, absent which, quarantines and lockdowns will have to persist to curb the spread of a disease as infectious as covid-19 whilst we patiently wait for an effective vaccine against it [2].

[0] https://en.wikipedia.org/wiki/Compartmental_models_in_epidem...

[1] https://www.youtube.com/watch?v=gxAaO2rsdIs

[2] https://en.wikipedia.org/wiki/Vaccine_efficacy

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