群体免疫或者病毒毒性减弱也是出路.但这事儿会给中国以后带来很大麻烦

来源: soldanella 于 2020-09-14 20:25:04 [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.