查CDC网站：当前流行BQ.1.1、BQ.1和XBB变种。再查这些变种与双价疫苗的联系：还有保护作用。

来源: zillos 于 2022-12-26 08:52:11 [旧帖] [给我悄悄话] 本文已被阅读：次

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