好奇“超过90%的有效性”，参与者有处够浓度新冠病毒环境中吗？新冠最高NY据官方数据占人口约6.9%。

来源: pickshell 于 2020-11-10 07:39:37 [旧帖] [给我悄悄话] 本文已被阅读：次

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