West Nile Virus in Utah
Utah has no recent West Nile Virus activity, but 51 alerts have been recorded historically.
Risk Level
🟢 Low
No cases reported in the past 30 days
Cases (30 days)
0
Total Cases
54
Counties Affected
17
Most recent West Nile Virus alert in Utah: Oct 6, 2026
West Nile Virus Alerts in Utah
Weber, Utah
Oct 6, 2026 · active
1
confirmed
Box Elder, Utah
Oct 6, 2026 · active
2
confirmed
Box Elder, Utah
Sep 23, 2026 · active
1
confirmed
Box Elder, Utah
Sep 14, 2026 · active
1
confirmed
Summit, Utah
Sep 14, 2026 · active
1
confirmed
Utah, Utah
Sep 14, 2026 · active
1
confirmed
Cache, Utah
Sep 11, 2026 · active
1
confirmed
Wasatch, Utah
Sep 10, 2026 · active
1
confirmed
Salt Lake, Utah
Sep 5, 2026 · active
1
confirmed
Duchesne, Utah
Sep 2, 2026 · active
1
confirmed
Duchesne, Utah
Sep 2, 2026 · active
1
confirmed
Weber, Utah
Sep 2, 2026 · active
1
confirmed
Sevier, Utah
Aug 31, 2026 · active
1
confirmed
Tooele, Utah
Aug 31, 2026 · active
1
confirmed
Cache, Utah
Aug 26, 2026 · active
1
confirmed
Weber, Utah
Aug 26, 2026 · active
1
confirmed
Cache, Utah
Aug 26, 2026 · active
1
confirmed
Cache, Utah
Aug 26, 2026 · active
1
confirmed
Weber, Utah
Aug 26, 2026 · active
1
confirmed
Duchesne, Utah
Aug 21, 2026 · active
1
confirmed
Cache, Utah
Aug 21, 2026 · active
Morgan, Utah
Aug 13, 2026 · active
1
confirmed
Utah, Utah
Aug 13, 2026 · active
1
confirmed
Weber, Utah
Aug 6, 2026 · active
1
confirmed
Box Elder, Utah
Aug 6, 2026 · active
1
confirmed
Showing the 25 most recent of 51 total alerts.
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