“A vast majority of those testing positive for SARS-CoV-2 are asymptomatic. They simply aren’t sick. The PCR test is merely picking up inactive (noninfectious) viral particles.”

Dr. Joseph Mercola. Asymptomatic People Do Not Spread COVID-19. 04 December 2020. https://articles.mercola.com/sites/articles/archive/2020/12/04/do-asymptomatic-people-spread-coronavirus.aspx