If the false positive of the PCR test really is 2.3%, how are so many places able to have positivity rates consistently less than that, more like .1%[1]? And how can test pooling in huge numbers (like was done in Wuhan) work?
A false positive rate that high doesn't pass the sniff test.
A false positive rate that high doesn't pass the sniff test.
[1]https://ourworldindata.org/coronavirus-testing [2]https://www.nytimes.com/2020/05/26/world/asia/coronavirus-wu...