Clustering of SARS-CoV-2 Infections in Households of Patients Diagnosed in the Outpatient Setting in Baltimore, Maryland

Open Forum Infect Dis. 2021 Mar 12;8(4):ofab121. doi: 10.1093/ofid/ofab121. eCollection 2021 Apr.


In an outpatient cohort in Maryland, clustering of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) positivity within households was high, with 76% of 74 households reporting at least 1 other symptomatic person and 66% reporting another person who tested SARS-CoV-2 positive. SARS-CoV-2 positivity among household members was associated with larger household size and bedroom sharing.

Keywords: COVID-19; SARS-CoV-2; epidemiology; household contact.