你们加拿大？美国FDA规定加强针一定要在上一针的四个月之后，而且第二加强针只推荐给50岁以上人群

来源: GoGym 于 2022-08-29 15:24:54 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

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