West Nile Virus in New York
As of September 2026, New York has 1 West Nile Virus alert in the past 30 days (1 confirmed case).
Risk Level
🟡 Moderate
Isolated cases — monitor the situation
Cases (30 days)
1
Total Cases
11
Counties Affected
9
Most recent West Nile Virus alert in New York: Sep 16, 2026
West Nile Virus Alerts in New York
Lawrence, New York
Sep 16, 2026 · active
1
confirmed
Seneca, New York
Sep 16, 2025 · active
1
confirmed
Nassau, New York
Sep 16, 2025 · active
1
confirmed
Chautauqua, New York
Aug 22, 2025 · active
1
confirmed
Warren, New York
Nov 21, 2024 · active
1
confirmed
Jefferson, New York
Oct 1, 2024 · active
1
confirmed
Jefferson, New York
Sep 20, 2024 · active
1
confirmed
Herkimer, New York
Sep 7, 2024 · active
1
confirmed
Lawrence, New York
Sep 3, 2024 · active
1
confirmed
Livingston, New York
Aug 29, 2024 · active
1
confirmed
Oswego, New York
Aug 11, 2024 · active
1
confirmed
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