流行的Variant 不一样，所以美国人去欧洲特容易被感染。不过到现在变种也还是在 Omicron家族转悠，问题不大

来源: GoGym 于 2025-12-27 13:25:09 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

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