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Hovering over points in the graphs below will show the count or rate. These data are preliminary and will be updated as more information is received.
*Respiratory illness: "Student with fever or pneumonia and any of these symptoms: sore throat, cough, muscle aches." Numbers are based on parent reports of their child’s illness.
For reports of influenza activity in Washtenaw County before 2015, please visit the page containing flu activity reports from previous years.