口罩应该是有一定的保护作用。很多人打完疫苗摘掉了口罩很快得了新冠。

来源: youdecide 于 2025-06-19 14:54:24 [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.