从一开始就有无症状感染者。有些人有自身的免疫力是正常的事情。

来源: FollowNature 于 2022-04-27 03:51:00 [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.