Flu-like illness accounts for 0.04% of emergency department visits in St. Joseph, Fulton, Marshall and 1 more county for the week of September 20. Flu-like illness activity in St. Joseph, Fulton, Marshall and 1 more county is holding steady compared with recent weeks. The highest reading in the current data window is 0.06%.

Emergency department visits for influenza in your local area, from CDC surveillance data.