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The 146 new outbreaks at Michigan schools for the week of Feb. 22 were up substantially from the previous week, but zero occurred at schools in Oakland County.

For the week of Feb. 15, there were seven new outbreaks in the county of the 81 in the state.

An outbreak, as defined by the state, is two or more cases that have shared exposure on school grounds and are from different households.

Nineteen ongoing outbreaks are listed at six Oakland County schools: Carpenter Elementary in Lake Orion, University High School in Ferndale, Lawrence Tech, Holly High School, Madison Heights Lamphere High School and Rochester University.

Ongoing outbreaks are those that had already been identified in previous weeks but have had at least one new associated case reported to the local health department in the last 28 days.

The Michigan Department of Health and Human Services releases the school outbreak data each Monday.

Case counts for schoolrelated outbreaks include those associated with beforeand after-school programs (including schoolsponsored sports). When applicable, outbreak reporting also includes cases originating from on-campus and off-campus student housing.

In other outbreak news, in region 2N which includes Oakland, Macomb and St. Clair counties, last week there were 10 new outbreaks at long-term care facilities; seven in manufacturing and construction; five at healthcare facilities; three at office settings; and zero in restaurants and bars.