Matthew Yglesias @mattyglesias
It is so weird to say “we don’t know” when there is actually a lot of evidence that says pretty clearly “vaccination greatly reduces the risk of spreading the virus without entirely eliminating it.” — PolitiTweet.org
Paul Romer @paulmromer
So what does the field evidence show? 1. Days 13-24 post first injection w Pfizer, risk of becoming infected fall… https://t.co/fOUYyBznWe