Strongly recommend everyone read this. The NY Times is one of the more liberal papers, but even they are showing scientists that point out the short comings of PCR tests. There may be strong likelihood that as many as 90% of cases have never been infected.
https://www.nytimes.com/2020/08/29/health/coronavirus-testing.html
https://www.nytimes.com/2020/08/29/health/coronavirus-testing.html