No such thing a few hundred yrs ago/ smallpox, measles

來源: 移花接木 於 2021-02-05 20:58:34 [] [博客] [舊帖] [給我悄悄話] 閱讀數 : (72 bytes)
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回答: What kind of virus？Sounds like Ebola？ 由 beautifulwind 於 2021-02-05 18:41:30

Modern society already immuned, they didn't have antibody

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