以後的趨勢是：在未來幾年內，時不時會有新冠變異株區域流行（epidemic)。每年打次更新疫苗將成為常態。

來源: fuz 於 2022-04-18 15:54:43 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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