SARS-CoV-2 Positivity on or After 9 Days Among Quarantined Student Contacts of Confirmed Cases

Schools reopened during the fall of 2020 with various approaches to mitigate SARS-CoV-2 infection. At that time, the US Centers for Disease Control and Prevention (CDC) recommended a 14-day quarantine without testing for close contacts of anyone diagnosed with COVID-19. However, data indicated that the incubation period for SARS-CoV-2 infection […]