上周,#口罩还要戴多久#登上微博热搜。 对于这个大家普遍关心的问题,上海市新冠肺炎临床救治专家组组长张文宏教授建议,大家对疫情还要保持高度警惕性。 张文宏表示: China still needs to pay close attention to the contagion for the next one to two months and avoid large-scale ...