Washington

Equine Disease Alerts

Risk Assessment

Risk Level
🟠 Elevated
Multiple cases - enhanced biosecurity recommended
Cases (30 days)
6
Total Cases
53
Total Alerts
46

Neighboring States

Disease Activity in Washington

Weekly case intensity by disease - Hover for details

Jul
Aug
Sep
Oct
Nov
Dec
Strangles
Flu
EHV-1
WNV
Pigeon Fever
PHF
Less
More
💡

Washington has recorded activity for 6 different diseases. Strangles is the most prevalent with 12 cases.

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Equine Health Resources

Official contacts and requirements for Washington

🩺State Veterinarian

🚨Report a Disease

To report suspected equine diseases:

360-902-1878

Reportable Diseases Info →

📋Coggins Requirements

Coggins test required within 12 months for equines entering Washington. 30-day CVI required for permanent moves. Six-Month Passport available for travel between WA, OR, ID, NV, CA, and MT.

View Import Requirements →

🔗Additional Resources

Washington State Department of Agriculture

Visit Website →

Washington State Horsemen

Visit Website →

Interstate Livestock

Find import requirements for all 50 states

Visit Website →

Recent Alerts in Washington

Equine Herpesvirus-1 (EHV-1)resolved

Spokane

Private Facility

2 cases
Dec 22, 2025
Stranglesvoluntary quarantine

Stevens

Private Facility

1 cases
Dec 22, 2025
Equine Herpesvirus-1 (EHV-1)resolved

Spokane

Private Facility

2 cases
Dec 3, 2025
Equine Herpesvirus-1 (EHV-1)resolved

Spokane

Private Facility

1 cases
Dec 1, 2025
Equine Herpesvirus-1 (EHV-1)official quarantine

Spokane

Private Facility

2 cases
Nov 22, 2025
Stranglesactive

Thurston

Private Facility

1 cases
Oct 24, 2025
Stranglesactive

Yakima

Private Facility

1 cases
Oct 7, 2025
West Nile Virusactive

Yakima

Private Facility

1 cases
Sep 30, 2025
Equine Influenzavoluntary quarantine

Skamania

Private Facility

1 cases
Sep 26, 2025
West Nile Virusactive

Adams

Private Facility

1 cases
Sep 26, 2025
West Nile Virusactive

Adams

Private Facility

1 cases
Sep 26, 2025
Stranglesactive

Island

Private Facility

1 cases
Sep 22, 2025
West Nile Virusactive

Yakima

Boarding Facility

1 cases
Sep 12, 2025
Stranglesofficial quarantine

Kittitas

Veterinary Hospital

1 cases
Sep 9, 2025
Stranglesactive

King

Private Facility

1 cases
Aug 29, 2025
Stranglesvoluntary quarantine

Kittitas

Private Facility

1 cases
Aug 11, 2025
Stranglesactive

Pierce

Private Facility

1 cases
Jul 31, 2025
Equine Herpesvirus-1 (EHV-1)official quarantine

Kitsap

Boarding Facility

1 cases
Jul 25, 2025
Potomac Horse Feveractive

Pacific

Private Facility

1 cases
Jul 9, 2025
Pigeon Feveractive

klickitat

Private Facility

1 cases
Jul 1, 2025
Pigeon Feveractive

Whatcom

Private Facility

1 cases
Jun 4, 2025
Pigeon Feveractive

King

Private Facility

1 cases
May 20, 2025
Stranglesactive

Grays Harbor

Private Facility

1 cases
May 15, 2025
Equine Influenzavoluntary quarantine

Clallam

Private Facility

1 cases
May 2, 2025
Equine Influenzaactive

Kittitas

Private Facility

1 cases
Apr 28, 2025
Equine Influenzaactive

Spokane

Boarding Facility

2 cases
Apr 28, 2025
Equine Influenzaactive

King

Private Facility

2 cases
Apr 14, 2025
Equine Influenzaactive

Kittitas

Private Facility

1 cases
Mar 21, 2025
Equine Herpesvirus-1 (EHV-1)voluntary quarantine

King

Private Facility

1 cases
Mar 17, 2025
Equine Influenzaactive

King

Private Facility

1 cases
Mar 3, 2025
Potomac Horse Feveractive

Lewis

Farm

1 cases
Feb 10, 2025
Equine Influenzavoluntary quarantine

Walla Walla

Private Facility

1 cases
Jan 21, 2025
Stranglesactive

King

Private Facility

1 cases
Jan 16, 2025
Stranglesactive

Thurston

Private Facility

1 cases
Jan 3, 2025
Stranglesactive

Grant

Private Facility

1 cases
Dec 31, 2024
Coronavirusvoluntary quarantine

Kitsap

Private Facility

1 cases
Dec 28, 2024
Stranglesvoluntary quarantine

Kittitas

Private Facility

1 cases
Dec 26, 2024
Potomac Horse Feveractive

Lewis

Private Facility

1 cases
Dec 18, 2024
Stranglesvoluntary quarantine

Skagit

Private Facility

1 cases
Dec 13, 2024
Equine Influenzaactive

Whatcom

Showgrounds

1 cases
Dec 10, 2024
Equine Herpesvirus-1 Neurologicresolved

Spokane

Public Venue

2 cases
Dec 3, 2024
Equine Herpesvirus-1 Neurologicresolved

Spokane

Public Venue

2 cases
Nov 18, 2024
Pigeon Feveractive

Kittitas

Private Facility

1 cases
Sep 19, 2024
Potomac Horse Feveractive

Spokane

Private Facility

1 cases
Sep 19, 2024
Stranglesvoluntary quarantine

Clark

Private Facility

1 cases
Sep 19, 2024
Equine Influenzaactive

King

Boarding Facility

1 cases
Jul 25, 2024