現在還有感染的？我總覺著已經群體免疫了就不容易被傳染上了。老人或許是以前傳染了，一直沒好？

來源: purple123 於 2023-02-06 19:37:43 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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