It has been nearly three years since the beginning of the COVID-19 pandemic, and every district resident has been affected in some way. While cases of COVID-19 have been steadily declining, outbreak investigation and reporting will remain a vital tool in our ongoing response. 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.