抗体消失快,他们早就知道啊.当初疫苗他们应该设计打3针,如乙肝疫苗打3针.估计后悔莫及.

来源: 5181 于 2022-08-27 16:16:01 [旧帖] [给我悄悄话] 本文已被阅读：次

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