谢传人兄科普！如果能保持在90%左右，有效率就相当高了。比之每年流感疫苗，有效率好像是高低不等，低的才60%

来源: papyrus 于 2020-11-11 03:55:37 [旧帖] [给我悄悄话] 本文已被阅读：次

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