这个有效的定义不同,数值上的确会相差很大。既然你有兴趣, 我查了一下。
![]()
Covid-19 vaccine from Pfizer and BioNTech is strongly effective, early data from large trial indicate
Pfizer and partner BioNTech said Monday that their vaccine against Covid-19 was strongly effective, exceeding expectations with results that are likely to be met with cautious excitement — and relief.www.statnews.com
浏览附件950011
不知道这些志愿者是定期测试?还是有症状才自己去测试?除非定期测试这些志愿者才能查出无症状感染者。如果是这样,辉瑞的报告结果够不靠谱的,是否感染应当以测试阳性算。