感覺2018-2019期間全球都流感甚行。2019初也許就產生新冠病毒了，武漢是此後變異後毒性增強？

來源: 阿明. 於 2022-01-06 13:29:54 [舊帖] [給我悄悄話] 本文已被閱讀：次

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