important piece re: pfizer vaccine.https://twitter.com/GidMK/status/1326304265304903680 …
And I did say: first shot 0 days, second shot 21 days, primary endpoint 28 days. You're right that I didn't go into the serological and other screenings at the start of the study to exclude people with previous COVID-19, but honestly I thought it was implied. My mistake!pic.twitter.com/DaOgsvND3K
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It's not implied: that's why it was specified in the press release. It wasn't an exclusion criterion because they have to show it's safe for people who've already had Covid-19 without knowing it. See the protocolpic.twitter.com/bdSdVZOyYQ
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Sorry, you're right - I was thinking about people with symptomatic disease
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(3) 7+ days after 2nd shot isn't exactly the same as 28-days (unspecified) & it's still not restricted to the people who were known to be Covid-free.