SF claim: “Most COVID-19 infections are caused by people who have no symptoms of illness.” https://www.sfdph.org/dph/alerts/files/C19-07-Safer-Return-Together-

SF claim: “Most COVID-19 infections are caused by people who have no symptoms of illness.” https://www.sfdph.org/dph/alerts/files/C19-07-Safer-Return-Together-Health-Order.pdf https://www.sfdph.org/dph/alerts/files/C19-07-Safer-Return-T...