武漢大概比較濕熱，所以病毒容易生存泛濫。當年東北的鼠疫防治方法，直到現在還在沿用，比如隔離和戴口罩。可可寫的好看。

來源: 南瓜蘇於 2022-12-24 08:52:24 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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