国药集团中国生物新冠疫苗接种数十万人 未录感染报告
国药集团中国生物总法律顾问周颂表示,研制的两款新冠灭活疫苗紧急使用,已经接种了数十万人次,无一例明显不良反应,无一人感染;其中打完疫苗之後去海外高风险国家和地区的数万人,截至目前实现零感染。
他指,新冠灭活疫苗的紧急使用,面向的都是高风险暴露人群,比如救治新冠感染者的医疗机构医护人员,去往疫情高风险国家的外交人员、外派员工,中资企业「一带一路」建设人员等。和留守当地的员工对比,有留守的员工感染了,但这批人没有,显示疫苗的有效性。
副总裁张云涛表示,新冠灭活疫苗I、II期临床研究在国内做,都产生了中和抗体,在海外的III期临床研究中,也会持续观察中和抗体。中和抗体是可比较的,在海外的试验扩大了人种、国家和人群,最主要还是被海外认可,对於以後的应用会更好,目前新冠灭活疫苗在国际上有5亿剂的意向。
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