Indiana State Department of Health lab tests confirm norovirus as the cause of an outbreak of gastrointestinal illness that affected more than 100 youths taking part in Notre Dame sports camps. The specific reason for the outbreak at Notre Dame remains unknown. 
The outbreak sickened male and female middle and high school students attending camps for football, hockey, basketball, lacrosse and tennis on Wednesday. Twenty-nine campers received hospital treatment.

In Michigan health authorities are investigating a suspected norovirus outbreak among girls attending a cheerleading camp at Davenport University in Grand Rapids. 40 of the 425 middle and high school girls at the camp came down with symptoms consistent with norovirus — nausea, vomiting and diarrhea. They say no one has needed hospitalization.