奧密易感人群年輕化，症狀主要表現在上呼吸道。隻要不入肺，對老年人威脅不大。疫苗對變異株效果太差

來源: fuz 於 2022-12-05 07:46:46 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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