好像说以前感染过某些病毒产生的抗体,可以对抗新冠.

来源: 我是鲁瑟夫于 2021-09-15 08:12:53 [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.