有意思，距上次感染時間越長，再次感染的可能性越低，但不是線性關係。與疫苗對比很有趣。

來源: 紅米2019 於 2022-10-15 07:29:33 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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