Definition of 'fully vaccinated' could change, CDC chief says

Re:Definition of 'fully vaccinated' could change, CDC chief ... by pridkett on Sunday October 31, 2021 @01:28PM (#29058624)

It’s flat out wrong to say vaccines do next to nothing against the delta variant. You can trivially examine this but have chosen not to. My state, Connecticut ,publishes weekly in depth reports that break down cases. Nearly 100% of infections are delta. You’re about 5x safer worth a vaccine than without - for catching COVID, hospitalization, and death. 2/3 of the cases in CT are amongst the less than 30% unvaccinated. CDC dates are similar.

https://data.ct.gov/Health-and-Human-Services/COVID-19-DPH-R...

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Re:Definition of 'fully vaccinated' could change, CDC chief ... by angelzen on Sunday October 31, 2021 @02:00PM (#29058893)

This is a good report, thanks for sharing. Though would be more informative to also share raw data tables for all the charts.

I dug a bit to double-check the hospitalization rate. The Oct 28 report claims (page 7) "18 Times higher risk of being hospitalized with COVID-19". That's a pretty spectacular number, how did they derive it?

1. The report says "One hundred ninety-one patients are currently hospitalized with laboratory-confirmed COVID-19; of these, 134 (70.2%) are not fully vaccinated.".

2. I found the vaccination rate as 67%, using the dashboard at https://data.ct.gov/stories/s/CoVP-COVID-Vaccine-Distributio....

3. I do a little bit of math.

  pop_rate = pop_cases / pop_count
  pop_cases = pop_case_rate * cases_total
  pop_count = pop_count_rate * pop_total

  risk = unvax_rate / vax_rate 
       = (unvax_rate / unvax_count_rate) / (vax_rate / vax_count_rate)
       = (70.2 / 33) / (29.8 / 67)
       = 4.8x

Your number (5x) is close to what the data indicates compared with what the report claims (18x). Perhaps someone with better fifth grade math skills can riddle me out...

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