SARS-CoV-2 in assisted living: Mortality and asymptomatic infection.

In response to a rapid rise in mortality within assisted living, facility-wide resident testing found 42% of 182 residents had SARS-CoV-2 infection; 68% of which were asymptomatic for 14 days before and after testing. Resident testing was a critical infection control measure needed to control transmission of SARS-CoV-2 infection.