Equine Influenza in Washington
As of November 2026, Washington has 1 Equine Influenza alert in the past 30 days (1 confirmed case).
Risk Level
🟡 Moderate
Isolated cases — monitor the situation
Cases (30 days)
1
Total Cases
15
Counties Affected
9
Most recent Equine Influenza alert in Washington: Oct 19, 2026
Equine Influenza Alerts in Washington
Pierce, Washington
Oct 19, 2026 · voluntary quarantine
1
confirmed
Pierce, Washington
Mar 24, 2026 · active
1
confirmed
Snohomish, Washington
Mar 2, 2026 · voluntary quarantine
1
confirmed
Skamania, Washington
Sep 26, 2025 · voluntary quarantine
1
confirmed
Clallam, Washington
May 2, 2025 · voluntary quarantine
1
confirmed
Spokane, Washington
Apr 28, 2025 · active
2
confirmed
Kittitas, Washington
Apr 28, 2025 · active
1
confirmed
King, Washington
Apr 14, 2025 · active
2
confirmed
Kittitas, Washington
Mar 21, 2025 · active
1
confirmed
King, Washington
Mar 3, 2025 · active
1
confirmed
Walla Walla, Washington
Jan 21, 2025 · voluntary quarantine
1
confirmed
Whatcom, Washington
Dec 10, 2024 · active
1
confirmed
King, Washington
Jul 25, 2024 · active
1
confirmed
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