The claim that vaccines are 100% effective against severe disease is becoming less and less uncertain as time goes on Fabulous newshttps://twitter.com/zeynep/status/1379064102824316929 …
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While these are great news, the huge n in original tweet are a bit misleading. The relevant n are 32 and 9. That also explains why CI’s in screenshot are not *that* small. (I get essentially the same numbers computing exact bino CI’s under assumption of equal risk exposure.)
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