我相信肯定有很多无症状感染，只有测试了抗体才能知道。

来源: danren 于 2021-03-18 09:55:35 [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.