我沒有特別研究過，不過這個基礎病的叫法，我猜是指Covid之外的病，尤其是慢性病。

來源: 米蘭之夜於 2023-02-14 10:05:56 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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