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Veterans with a first positive SARS-CoV-2 test from January 1-February 28, 2022, were included in the study. Eligible veterans had an inpatient or outpatient encounter in the VA health care system in the 18 months preceding January 1, 2022, were not hospitalized on or before the date of positive SARS-CoV-2 test, and had at least 1 risk factor for progression to severe COVID-19.
