Equine Herpesvirus-1 (EHV-1) in Washington
As of June 2026, Washington has 1 Equine Herpesvirus-1 (EHV-1) alert in the past 30 days (1 confirmed case).
Risk Level
🟡 Moderate
Isolated cases — monitor the situation
Cases (30 days)
1
Total Cases
12
Counties Affected
4
Most recent Equine Herpesvirus-1 (EHV-1) alert in Washington: May 26, 2026
Equine Herpesvirus-1 (EHV-1) Alerts in Washington
Lewis, Washington
May 26, 2026 · voluntary quarantine
1
confirmed
Kitsap, Washington
Feb 3, 2026 · voluntary quarantine
1
confirmed
Kitsap, Washington
Jan 30, 2026 · voluntary quarantine
1
confirmed
Spokane, Washington
Dec 22, 2025 · resolved
2
confirmed
Spokane, Washington
Dec 3, 2025 · resolved
2
confirmed
Spokane, Washington
Dec 1, 2025 · resolved
1
confirmed
Spokane, Washington
Nov 22, 2025 · official quarantine
2
confirmed
Kitsap, Washington
Jul 25, 2025 · official quarantine
1
confirmed
King, Washington
Mar 17, 2025 · voluntary quarantine
1
confirmed
About Equine Herpesvirus-1 (EHV-1)
Highly contagious virus causing respiratory disease, abortion, and neurological disease
Full Equine Herpesvirus-1 (EHV-1) guide →Get alerted about Equine Herpesvirus-1 (EHV-1) in Washington
We'll email you whenever a new equine disease outbreak is reported in Washington. Unsubscribe anytime.