群体免疫65%以上疫苗出台的可能性大。

来源: julie116 于 2020-05-24 11:27:13 [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.