XBB.1.5传播力极强 美国再延长公卫紧急状态
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XBB.1.5变异株传播力极强 美国再延长公卫紧急状态。(示意图/达志影像)
美国财经媒体CNBC报导,在高传染力Omicron亚型变异株XBB.1.5传播之际,美国政府今天再将COVID-19公共卫生紧急状态延长至4月。
CNBC及路透社报导,美国川普政府于2020年1月COVID-19(2019冠状病毒疾病)疫情爆发时,首次宣布国内进入COVID-19公卫紧急状态,自此之后每90天都再延长这项紧急状态,
美国卫生及公共服务部(HHS)发言人今天指出:“COVID-19公卫紧急状态将依然有效,诚如HHS先前承诺,我们在任何可能的终止或到期之前,将提前60天通知各州。”
美国政府再次延长公卫紧急状态的时机,适逢XBB.1.5在全美散播之际,而XBB.1.5正快速成为当地主要流行病毒株。
科学家相信,XBB.1.5具有传播优势,因为它更易与人体细胞结合,且擅于躲过免疫系统。
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