Sweden actually does it. It's PCR tests to track the number and change in ongoing infections in the whole population. 0.9% end of April 0.3% end of May Zero

Sweden actually does it. It's PCR tests to track the number and change in ongoing infections in the whole population. 0.9% end of April 0.3% end of May Zero of the tested were infected end of August End of September is being published next week https://www.folkhalsomyndigheten.se/nyheter-och-press/nyhetsarkiv/2020/september/nya-resultat-fran-undersokning-av-forekomsten-av-covid-19-i-sverige/ https://www.folkhalsomyndigheten.se/nyheter-och-press/nyhets...