最後會在不打疫苗的人裏傳染幾輪, 達到群免. 問題就看是先變異, 還是先達到群免. 如果群免太慢, 疫苗可能就白打了.

來源: lovNordstrom 於 2021-05-06 21:24:04 [舊帖] [給我悄悄話] 本文已被閱讀：次

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