老人要打，小孩體質不弱的，感染一下也非壞事，據說每種病毒基本上都會終生免疫，老了可能受益。

來源: phobos 於 2025-02-27 07:26:00 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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