随着变种病毒肆虐,新冠疫情在全球呈现复燃之势。更让人感到不安的是,有不少确诊病例是已经接种过疫苗的人群。 例如,美国华裔体操运动员卡拉·埃克(Kara Eaker)和英国卫生大臣赛义德·贾维德(Sajid Javid)都是在接种疫苗后,被检测出新冠阳性,均被诊断为“突破性感染”(Breakthrough Infection)。 那么到底什么是突破性感染?为何接种疫苗后仍会感染?这种现象有多普遍,又...
Source Link华尔街见闻2021-07-29
随着变种病毒肆虐,新冠疫情在全球呈现复燃之势。更让人感到不安的是,有不少确诊病例是已经接种过疫苗的人群。 例如,美国华裔体操运动员卡拉·埃克(Kara Eaker)和英国卫生大臣赛义德·贾维德(Sajid Javid)都是在接种疫苗后,被检测出新冠阳性,均被诊断为“突破性感染”(Breakthrough Infection)。 那么到底什么是突破性感染?为何接种疫苗后仍会感染?这种现象有多普遍,又...
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