West Nile Virus in Michigan
As of September 2026, Michigan has 3 West Nile Virus alerts in the past 30 days (3 confirmed cases).
Risk Level
🟡 Moderate
Isolated cases — monitor the situation
Cases (30 days)
3
Total Cases
14
Counties Affected
11
Most recent West Nile Virus alert in Michigan: Sep 17, 2026
West Nile Virus Alerts in Michigan
Muskegon, Michigan
Sep 17, 2026 · active
1
confirmed
Kent, Michigan
Sep 17, 2026 · active
1
confirmed
Missaukee, Michigan
Sep 14, 2026 · active
1
confirmed
Oceana, Michigan
Oct 15, 2025 · active
1
confirmed
Mecosta, Michigan
Oct 1, 2025 · voluntary quarantine
1
confirmed
Sanilac, Michigan
Sep 25, 2025 · active
1
confirmed
Missaukee, Michigan
Sep 12, 2025 · active
1
confirmed
Van Buren, Michigan
Nov 6, 2024 · active
1
confirmed
Tuscola, Michigan
Oct 25, 2024 · active
1
confirmed
Eaton, Michigan
Oct 3, 2024 · active
1
confirmed
Kent, Michigan
Sep 25, 2024 · active
1
confirmed
Joseph, Michigan
Sep 18, 2024 · active
1
confirmed
Washtenaw, Michigan
Aug 29, 2024 · active
1
confirmed
Eaton, Michigan
Aug 16, 2024 · active
1
confirmed
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