网上查了几篇文章，都说用查抗体的方法验证疫苗是否有效是没有意义的，抗体阴性并不一定是疫苗无效

来源: rancho2008 于 2021-05-24 14:30:28 [旧帖] [给我悄悄话] 本文已被阅读：次

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