Until the beginning of June, asymptomatic cases accounted for less than 1% of reported cases. By August that figure had reached 72% (7). This may be in part due to the criteria for testing at the beginning but false positives are likely to play a significant role here.
英国和欧洲的最近两个月的"第二波"其实是大规模的PCR测试造成的数据现象,不算第二波的.根源在哪里? False Positive.有学者认为疫情已经在英国和欧洲结束,不会有第二波,我还在阅读中.有时间给大家谈谈感想.
https://logicinthetimeofcovid.com/2020/09/07/waiting-for-zero/