仔细看看这个临床设计，入选标准是和阳性患者接触96小时内的家庭成员，可问题是，从北京流调看，96小时足够传播一代了，还得考虑这个阳性患者是感染后多长时间内检测出来的。
话说辉瑞是不是临床设计时，小看了Omicron的传播能力？相当一部分人，怕是还没入组就已经被感染了。
$君实生物-U(SH688180)$

About the Phase 2/3 EPIC-PEP Study
The top-line analysis evaluated data from 2,957 adults. Enrolled adults had a negative SARS-CoV-2 rapid antigen test result and were asymptomatic household contacts with exposure within 96 hours to an individual who was symptomatic and recently tested positive for SARS-CoV-2. Each patient was randomized (1:1:1) to receive orally twice daily one of the following: (i) PAXLOVID for five days followed by placebo for 5 days, (ii) PAXLOVID for ten days or (iii) placebo for ten days.