临床免疫学常识：接种过疫苗的，在遇到感染时，相当于打了一次加强针，可获得更好更长期的免疫

来源: fuz 于 2023-10-19 11:55:22 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

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