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不再判定密接的密接，取消入境航班熔断机制，将风险区调整为“高、低”两类，纠正核酸检测“一天两检”“一天三检”等不科学做法，加快新冠肺炎治疗相关药物储备……二十条优化措施公布后，引起社会广泛关注。聚焦落实过程中公众关注的热点问题，国务院联防联控机制有关专家作出权威回应。
统筹：鞠晓燕
编辑：张宝亢、张旻曦、葛倩（实习）
配音：刘玉婷
新华社音视频部制作
文章关键词：风险区,机制,措施,关注,&ldquo
责编：邵恰