呼吸道传染病当然戴口罩最有用！每天吹洗鼻腔，外出回家冲洗鼻腔，一定可以减少感染机会。

来源: 笑薇. 于 2022-12-14 11:50:59 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

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