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USANews版 - Does the FDA think these data justify the first full approval of a covid-19 vaccine? - The BMJ
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https://blogs.bmj.com/bmj/2021/08/23/does-the-fda-think-these-data-justify-
the-first-full-approval-of-a-covid-19-vaccine/
“And so the recent reports from Israel’s Ministry of Health caught my eye.
In early July https://www.reuters.com/world/middle-east/israel-sees-drop-
pfizer-vaccine-protection-against-infections-still-strong-2021-07-05/), they
reported that efficacy against infection and symptomatic disease “fell to
64%.” By late July it had fallen to 39 https://www.cnbc.com/2021/07/23/
delta-variant-pfizer-covid-vaccine-39percent-effective-in-israel-prevents-
severe-illness.html)% where Delta is the dominant strain. This is very low.
For context, the FDA’s expectation https://www.fda.gov/media/139638/
download) is of “at least 50%” efficacy for any approvable vaccine.”
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