阿联酋目前已经接种了超过750万剂冠状病毒疫苗,其中大部分是国药集团的疫苗。
那么,它的有效性如何呢?对人体的保护可以持续多久?
///国药集团的疫苗对预防新冠有效吗?
阿联酋的测试表明,在31000名志愿者参加的第三阶段试验中,该疫苗的有效性为86%——在接收到更多数据之后,又将这一数字修正为79.34%。
专家表示,关键指标在于该疫苗是否可以保护人们免受严重的感染。
仍然没有证据表明有人在接种疫苗后患上严重疾病。
国家Covid-19临床管理委员会主席纳瓦尔·卡比博士说,在接种疫苗的人群中,没有人出现严重感染情况或者死亡。
她说,在接种两剂疫苗后依旧被感染的人中,大多仍然是无症状或只出现轻微症状的患者。
///国药集团的疫苗抵御新病毒株的效果如何?
2月份的一项研究显示,该型疫苗对南非变种新冠病毒的效果较差,但仍有效。
这是最令人担忧的变种之一,因为它更具传染性。
///疫苗提供的保护能持续多久?
阿联酋政府目前的估计表明,两剂疫苗可以提供4至6个月的免疫力保护。
*本文资料源自thenational
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