Overview

• Wayne County reported its first West Nile virus–related death of 2025, involving an older adult with underlying health conditions, according to health officials.
• Kalamazoo County confirmed its first human case of the year, which local officials counted as Michigan’s 18th reported case.
• Nationally, the CDC lists roughly 770 human cases by early September—about 40% above typical for this point in the season—with nearly 500 classified as severe, noting the numbers are preliminary.
• Michigan has documented cases in Kent, Ionia, Emmet, Livingston, Macomb, Oakland, Sanilac and Wayne counties, and a Kent County resident died in August.
• With no vaccine or specific treatment, health agencies recommend EPA-registered repellents, long sleeves and pants, reducing standing water, and limiting outdoor exposure from dusk to dawn.