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Maine CDC Health Advisory
January 19, 2022
COVID-19 Surveillance Definition Changes
As of January 2, 2022, the Maine Center for Disease Control and Prevention (Maine CDC) is using updated definitions for COVID-19 outbreaks and COVID-19-associated deaths.
COVID-19 outbreak criteria will now depend on facility type. In pre-K-12 schools, an outbreak of COVID-19 will now be defined as greater than or equal to 15% absenteeism among students or staff in a single day, where the majority of those absent are due to COVID-19 illness. For all other facility types, including but not limited to long-term care, hospital, outpatient healthcare, higher education, and businesses, an outbreak of COVID-19 is now defined as 5 or more people who have been in-person at a facility with confirmed or probable COVID-19 within a 14-day period.
