K-12 schools now number one source of COVID-19 outbreaks in Michigan Next meeting of the Michigan Educators Rank-and-File Safety Committee: Saturday, March 13, 1PM.Register now K-12 schools are now the largest source of new COVID-19 outbreaks in Michigan. In the first week of March, the state recorded 47 separate outbreaks at K-12 schools in which a combined 221 students, teachers and staff tested positive for the virus. The same week, 24 more outbreaks took place at daycare centers and “youth programs,” a category that includes school sports. Together, the 71 school- and youth-related outbreaks accounted for more than 40 percent of all new outbreaks in Michigan during a week in which about 7,000 new COVID-19 cases were reported and more than 100 people died from the disease.