纸包不住火，刻意隐瞒这种事的风险太大了。此外原理上也说不通。如果是减活或者灭活的疫苗还至少有理论上的可能性

来源: viewfinder 于 2021-01-30 19:35:34 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

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