Flu in Washtenaw County

Flu can cause mild to severe illness, and at times can lead to death. The best way to prevent the flu is by getting vaccinated each year. It is also important to stay home if you are sick, cover your nose and mouth when you sneeze or cough, and wash your hands often.

Flu (Influenza) Fact Sheet (PDF)

Flu Activity

March 24, 2020:

  • Influenza cases and hospitalizations are still being reported in Washtenaw County. We are seeing hospitalizations across all age groups. 
  • Both influenza A and B are being diagnosed, with influenza A now predominating. Influenza A/H1N1 continues to circulate, along with some diagnoses of A/H3. 
  • It is critical for everyone 6 months and older to get vaccinated against flu.

Influenza-Associated Hospitalizations & Deaths in Washtenaw County Residents: 2019-2020 Season*

*Flu season starting September 29, 2019
week ending March 21
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.

**Due to recent Washtenaw County closures and changes in disease reporting and surveillance priorities, updates to the weekly flu curve may be delayed or suspended after 3/14. 

*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.

Flu 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