Background: Washington, District of Columbia lowered severe acute respiratory syndrome coronavirus 2 transmission in its large jail while community incidence was still high.
Methods: Coordinated clinical and operational interventions brought new cases to near zero.
Results: Aggressive infection control and underlying jail architecture can promote correctional coronavirus disease 2019 management.
Conclusions: More intensive monitoring could help confirm that in-house transmission is truly zero.
Keywords: COVID-19; SARS-CoV-2; infection control; inmate; jail.
© The Author(s) 2021. Published by Oxford University Press on behalf of Infectious Diseases Society of America.