90%感染者无症状，说明中国疫苗有效，既防重症，也防轻症。

来源: 红烧茄子- 于 2022-11-21 20:13:46 [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.