对不起,你读错了。所谓的efficacy是与没打疫苗的来比较,公式如下 …

来源: Porcelana 2021-06-10 22:03:53 [] [博客] [旧帖] [给我悄悄话] 本文已被阅读: 次 (237 bytes)

VE = (ARU - ARV) / ARU * 100%
with

VE = Vaccine Efficacy 

ARU = Attack rate of unvaccinated people 

ARV = Attack rate of vaccinated people 

 

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