Flu in Washtenaw County

There's a chill in the air. And flu. Get a flu shot. Wash your hands. Cover your cough.

Flu season is here: it's time to get your vaccine!

Flu Activity

Nov 23, 2021:

  • There is currently a flu outbreak in the University of Michigan student community. Flu diagnoses are also increasing throughout the rest of Washtenaw County. 
  • Influenza A is the predominant strain that is circulating in Washtenaw County, with A/H3 being the dominant subtype. 
  • The influenza vaccine is available. It is critical for everyone 6 months and older to be vaccinated against flu in order to prevent severe disease and hospitalizations.
  • Data will be updated weekly, on Wednesday. **Due to ongoing COVID-19 work in Washtenaw County, updates to the weekly flu curve may be delayed.

Influenza-Associated Hospitalizations & Deaths in Washtenaw County Residents: 2021-2022 Season*

*Flu season starting September 26, 2020
week ending Nov 20
adult deaths
child deaths

Influenza Activity for Current Season

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.

Influenza Activity in Previous Years

Additional Information

For reports of influenza activity in Washtenaw County before 2015, please visit the page containing flu activity reports from previous years