美國許多大學不承認中國疫苗，要求學生重打。先打一針mRNA疫苗，三周後測抗體。然後再決定是否打第二針

來源: fuz 於 2021-09-02 14:08:00 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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