才有专家质疑疫苗的有效率

来源: fantasticdream 于 2021-01-12 19:35:19 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

说保护率可能才低达19%。

WENXUECITY.COM does not represent or guarantee the truthfulness, accuracy, or reliability of any of communications posted by other users.

Change Ad Consent