近日,歌手陈奕迅感染新冠的消息成为热搜,新冠疫情的攀升也引发关注。 记者查找2023年到2025年我国本土病例变异株的监测资料发现,近两年半时间,从最初的BA.5.2、BF.7及其亚分支,到现在的XDV及其亚分支,我国流行的主导变异株已经历了近6轮更替。 专家介绍,新冠与流感一样处于不断变异中,新变异株以其免疫逃逸能力取代旧变异株,让人群不断感染,叠加群体免疫水平下降因素,导致新冠小高峰的...
Source Link近日,歌手陈奕迅感染新冠的消息成为热搜,新冠疫情的攀升也引发关注。 记者查找2023年到2025年我国本土病例变异株的监测资料发现,近两年半时间,从最初的BA.5.2、BF.7及其亚分支,到现在的XDV及其亚分支,我国流行的主导变异株已经历了近6轮更替。 专家介绍,新冠与流感一样处于不断变异中,新变异株以其免疫逃逸能力取代旧变异株,让人群不断感染,叠加群体免疫水平下降因素,导致新冠小高峰的...
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