As the SARS-CoV-2 (COVID-19) spread across the United States in spring 2020, the Federal Bureau of Prisons (BOP) made the startling announcement that of its 2,700 initial screenings of inmates for the virus, 2,000 had tested positive–an astounding 70% positivity rate. It is obvious to assume that prisons and jails would be locations of outbreaks and rapid community spread given the close quarters, limited access to preventive methods, and movement of both inmates and staff in and out of facilities.

Background: Coronavirus disease 2019 (COVID-19) has caused a serious epidemic around the world, but it has been effectively controlled in the mainland of China. The Chinese government limited the migration of people almost from all walks of life. Medical workers have rushed into Hubei province to fight against the epidemic. Any activity that can increase infection is prohibited.

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The emergence of COVID-19 in South Korea, and the public and private sector response to it, serves as a valuable case study for countries facing similar outbreaks. This article focuses on how Korean health officials implemented drive-through and walk-through diagnostic testing, and extensive movement and contact tracing, to identify and inform exposed members of the public.

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