COVID-19 — South Korea
The purpose of this study was to determine the extent of air and surface contamination of severe acute respiratory syndrome coronavirus-2 (SARS-CoV-2) in 4 health care facilities with hospitalized coronavirus disease 2019 (COVID-19) patients.
We investigated air and environmental contamination in the rooms of 8 COVID-19 patients in 4 hospitals. Some patients were in negative-pressure rooms, and others were not. None had undergone aerosol-generating procedures. On days