疾控中心团队:“战争改变了”当δ变体的危险出现
![Face mask requirements are posted at the various entrances at the Rose E. McCoy Auditorium where COVID-19 vaccinations are being offered on the Jackson State University campus in Jackson, Miss., Tuesday, July 27, 2021. The university has similar signage posted throughout the campus. The Centers for Disease Control and Prevention announced new recommendations that vaccinated people return to wearing masks indoors in parts of the U.S. where the coronavirus is surging and also recommended indoor masks for all teachers, staff, students and visitors to schools, regardless of vaccination status. Credit: AP Photo/Rogelio V. Solis 疾控中心团队:“战争改变了”当δ变体的危险出现](https://scx1.b-cdn.net/csz/news/800a/2021/cdc-team-war-has-chang.jpg)
新的证据显示δ变体是像水痘传染性和比其他版本可能更危险,促使美国卫生官员考虑改变建议国家打架冠状病毒,内部文件显示。
对每个人都推荐面具和要求疫苗为医生和其他卫生工作者措施疾病控制和预防中心正在考虑,据《华盛顿邮报》获得的内部文件。
文件似乎疾控中心工作人员使用的谈话要点解释三角洲变体的危险和疫苗接种后发生感染,可以“突破”。指出在通讯:“承认战争已经改变了。”
建议接种疫苗的人的简历中戴着面具在室内病毒热点,CDC本周表示,新的证据表明,突破感染可能传播未接种疫苗的人。他们引用了大量最近爆发在科德角的普罗温斯敦镇接种疫苗的个体中,马萨诸塞州,其中,改变。
文件指出,COVID-19疫苗仍高度有效地预防严重疾病和死亡。CDC一直预期一些突破性的感染,但在如何向公众解释它们。
![Social distancing as well as face covering is recommended at the COVID-19 vaccination site in the Rose E. McCoy Auditorium on the Jackson State University campus in Jackson, Miss., Tuesday, July 27, 2021. The Centers for Disease Control and Prevention announced Tuesday, new recommendations that vaccinated people return to wearing masks indoors in parts of the U.S. where the coronavirus is surging and also recommended indoor masks for all teachers, staff, students and visitors to schools, regardless of vaccination status. Credit: AP Photo/Rogelio V. Solis 疾控中心团队:“战争改变了”当δ变体的危险出现](https://scx1.b-cdn.net/csz/news/800a/2021/cdc-team-war-has-chang-1.jpg)
文件指出,δ变体,首先发现在印度,引起感染,比普通感冒,传染流感,天花和埃博拉病毒,传染性高传染性水痘。
内部文件还引用研究来自加拿大、新加坡和苏格兰表明三角洲住院变体可能会造成更大的风险,重症监护治疗和死亡比α变体,首次检测到在英国。
自今年1月以来,人感染后免疫接种占的比重日益增长,住院和COVID-19患者院内死亡,根据文档。这一趋势的同时,传播的δ变体。
但是CDC强调突破感染仍然少见。
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