中国疫苗处于检测有无人体抗体。美国微量PCV已产足够抗体，且通过大规模生产，常温储存和适合各年龄检验，只剩十个月安全性。

来源: ddti 于 2020-04-03 09:41:10 [旧帖] [给我悄悄话] 本文已被阅读：次

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