Outbreak Alert

Confirmed Case(s) – No Quarantine Source: Attending Veterinarian Number Confirmed: 1; Number Exposed: 3; Number Euthanized: 1; Facility Type: Farm; Previous Alerts: 4649 See past published Outbreak Alerts: https://nwhorsesource.com/category/news/alerts Equine Disease Communication CenterUpdates on current disease outbreaks are listed on our EDCC website as they occur and will include the date listed, disease name, location and current status. Specific premises will … Read More

Confirmed Case(s) – No Quarantine Source: Utah Department of Agriculture and Food Number Confirmed: 1 Number Exposed: 9 Facility Type: Farm Horse 1: Age: 3; Gender: Filly; Breed: Quarter Horse (QH); Usage: Barrel Racing; Onset of Clinical Signs: 10/1/2025; Clinical Signs: Reluctance to move and seemed painful with lip twitching. Treated with NSAIDs and antimicrobials for 4 days. Fully recovered; Confirmation Date: 10/7/2025; Horse Status: Recovered; Vaccination Status: Vaccinated See past published Outbreak Alerts: https://nwhorsesource.com/category/news/alerts … Read More

Confirmed Case(s) – No Quarantine Source: Attending Veterinarian Number Confirmed: 1 Number Exposed: 3 Facility Type: Farm See past published Outbreak Alerts: https://nwhorsesource.com/category/news/alerts Equine Disease Communication CenterUpdates on current disease outbreaks are listed on our EDCC website as they occur and will include the date listed, disease name, location and current status. Specific premises will not be … Read More

Confirmed Case(s) – No Quarantine Source: Utah Department of Agriculture and Food San Juan County, UT: Number Confirmed: 1Number Exposed: 4Facility Type: Farm Horse 1: Age: 5; Gender: Mare; Breed: Quarter Horse (QH); Usage: Breeding; Onset of Clinical Signs: 9/19/2025; Clinical Signs: Pregnant mare with forelimb ataxia. Treated by veterinarian with anti-inflammatories and antimicrobials. Ataxia resolving by the next day.; Confirmation Date: 9/29/2025; Horse Status: Recovering; Vaccination Status: Undervaccinated. Comments: housed close to … Read More

Confirmed Case(s) – No Quarantine Source: State Veterinarian Office and Attending Veterinarian Number Confirmed: 1Number Exposed: UnknownFacility Type: Private FacilityComments: Undervaccinated horse. Mild ataxia. Recovering under vet care. See past published Outbreak Alerts: https://nwhorsesource.com/category/news/alerts Equine Disease Communication CenterUpdates on current disease outbreaks are listed on our EDCC website as they occur and will include the date … Read More

Confirmed Case(s) – No Quarantine Source: California Department of Food and Agriculture Number Confirmed: 1;  Horse 1: Age: 1; Gender: Colt; Breed: Friesian; Onset of Clinical Signs: 9/22/2025; Clinical Signs: ataxia (worse in hind end), hyperreactive, muscle fasciculations, hypermetric front end; Confirmation Date: 9/29/2025; Vaccination Status: Unvaccinated; Comments: The fifth (5th) case of West Nile Virus in California in 2025 was confirmed in Sacramento County. On … Read More