这个covid疫苗不是靠激活免疫力杀病毒吗！疫苗里又没有加病毒，它咋识别哪些是flu哪些是covid？

来源: MayX 于 2021-09-22 19:18:26 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

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