Interesting titbit from the Pfizer study - the attack rate in the general population and the people who had already had COVID-19 was similar. 1.3% of people who had COVID-19 antibodies BEFORE vaccination got infectedpic.twitter.com/c4rJ8TGQn5
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But they'd have to report new symptoms after study start and have residual RNA. The odds of that occurring at same attack rate as people w/out previous exposure seems low, no?
Yeh it is a bit odd. I'm not sure what to make of it either
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