請您不吝給大家講講此病毒和彼病毒的區別、此疫苗和彼疫苗機理如何不同，也算給像我一樣無知的網友做一科普。提前感謝！

來源: 業餘城管於 2021-05-14 05:10:59 [舊帖] [給我悄悄話] 本文已被閱讀：次

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