As of February 23, 2021, there have been 39,943 laboratory-confirmed cases of COVID-19 in the District of Columbia, and 1,001 deaths. We are now in Phase 2 of re-opening, but continue to experience moderate community spread. This Health Notice provides information on 1) The definition of a COVID-19 outbreak in the long-term care setting 2) The definition of a COVID-19 outbreak in the hospital setting 3) The definition of a COVID-19 outbreak in the outpatient setting, 4) The infection control recommendations to mitigate the outbreak, and 5) Reporting thresholds.