原标题：封控管理要快封快解、应解尽解（优化防控二十条措施问答） 当前全国疫情总体呈较快发展态势，疫情波及面广，部分地方出现了疫情规模性反弹的风险，一些地方面临抗疫3年以来最复杂、最严峻的形势。[详细]
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