近日，国家卫健委发布消息：受新冠JN.1变异株持续输入、国内流感活动逐渐减弱等多因素影响，新冠病毒感染疫情可能在本月出现回升，新冠病毒JN.1变异株大概率将发展成为我国优势流行株。
JN.1变异株有什么特点？感染后有什么症状？现有疫苗是否还能起到保护作用？记者专访复旦大学附属华山医院感染科副主任王新宇，对相关热点话题予以解答。
记者：袁全、岑志连
新华社音视频部制作
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