Business Insider 40% of people infected with COVID-19 are asymptomatic, a new CDC estimate says "New guidance by the Centers for Disease Control and Prevention estimates that 40% of people infected with COVID-19 are asymptomatic and the chance of transmission from people with no symptoms is 75%." Please wear a mask! Recommended · Jul 13th, 2020, 11:38 pmcovid-19 health Paul Bausch