Preprint: Breakthrough SARS-CoV-2 infections in 620,000 U.S. Veterans – protection decreased from 92% to 54%

We compared SARS CoV-2 infection by vaccination status from February 1, 2021 to August 13, 2021 in the Veterans Health Administration, covering 2.7% of the U.S.  More...

UK: Why are 50% of Covid deaths fully vaccinated?

We’ll let Meaghan Kall, an epidemiologist with Public Health England, explain why 50% of UK Covid deaths are fully vaccinated:

 

 

So, what you are saying, Meaghan, is that a disproportionate number of over-50s are dying of Covid this year because so many are vaccinated?  More...

UK Covid app confirms vaccines are waning

Joinzoe: “We found that initial protection against infection a month after the second dose of the Pfizer vaccine was 88%, while after five to six months this fell to 74%.   More...