美国许多大学不承认中国疫苗，要求学生重打。先打一针mRNA疫苗，三周后测抗体。然后再决定是否打第二针

来源: fuz 于 2021-09-02 14:08:00 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

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