我同意你说的这个我自己在回帖已经补充了关于herd immunity我写帖子的时候没有仔细想清楚

来源: donau 于 2022-09-02 04:19:54 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

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