Asymptomatic Transmission and the Infection Fatality Risk for COVID-19: Implications for School Reopening

Clin Infect Dis. 2020 Jun 25;ciaa855. doi: 10.1093/cid/ciaa855. Online ahead of print.


Asymptomatic infection occurs for numerous respiratory viral diseases, including influenza and COVID-19. We seek to clarify confusion in three areas: age-specific risks of transmission and/or disease; various definitions for the COVID-19 "mortality rate", each useful for specific purposes; and implications for student return strategies from pre-school through university settings.