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Updates on current disease outbreaks are listed here as they occur and will include the date listed, disease name, location and current status. Specific premises will not be named but the general location by town, county and state will be listed. When locations, events or horses are at risk they will be listed. Updates will be posted as they are received.



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Equine Herpesvirus- Respiratory
Spokane County, WA
Outbreak Identifier: 7214
Alert ID: 4740
November 22, 2025
Confirmed Case(s) - Official Quarantine

State Veterinarian Office and Attending Veterinarian

Number Confirmed: 2; 
Facility Type: Private Facility; 
Comments: Horses have mild fevers but no other clinical signs. Combined tracheal wash was positive on PCR. Horses are doing well under vet care and quarantined at home. Both cases are associated with the EHM outbreak that originated at the Women’s Professional Rodeo Association (WPRA) World Finals and Elite Barrel Race event. 
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