流感病毒的特點就是變異快。以至於都能預測咋變了。每年的疫苗就是按這種預測來製造的。

來源: 我這是咋啦於 2015-10-20 13:09:08 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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