Subject(s)

COVID-19 Testing/methods , COVID-19 , Disease Transmission, Infectious/prevention & control , Infection Control , Return to Work , SARS-CoV-2/isolation & purification , Workplace , Adult , COVID-19/diagnosis , COVID-19/epidemiology , COVID-19/prevention & control , COVID-19/transmission , Female , Health Personnel , Health Workforce/statistics & numerical data , Humans , Infection Control/methods , Infection Control/organization & administration , Male , Massachusetts/epidemiology , Occupational Health , Safety Management/organization & administration , Workplace/organization & administration , Workplace/standards