+4.2
votes received
This explains a lot!
https://www.statnews.com/2020/03/31/covid-19-overcoming-testing-challenges/?fbclid=IwAR1ikMtfYusDqZ0Gmideh1d4C5fTMbSjvMuKlS1MpN0yf6ZGJq6ogaPXhUE
+4.2