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Confirmed Case(s) – Official Quarantine Source: Oklahoma State Veterinarian Number Confirmed: 1; Number Suspected: Unknown; Number Exposed: Unknown; Comments: This horse was exposed to EHV at the Women’s Professional Rodeo Association (WPRA) World Finals and Elite Barrel Race event in Waco, TX.. For an up-to-date count of EHM cases tied to the Waco, Texas event, please …
Confirmed Case(s) – Official Quarantine Source: Attending Veterinarian and TAHC Number Confirmed: 1; Number Exposed: 9; Facility Type: Private Facility; Horse 1: Age: 5; Gender: Gelding; Breed: Quarter Horse (QH); Usage: Barrel Racing; Onset of Clinical Signs: 11/12/2025; Clinical Signs: Fever, nasal discharge, mild hindlimb ataxia- dragging toes occasionally.; Confirmation Date: 11/18/2025; Horse Status: Affected And Alive; Vaccination Status: Vaccinated; Comments: This case is associated with the EHM outbreak that originated at the Women’s …
Confirmed Case(s) – Official Quarantine Source: Attending Veterinarian Number Confirmed: 2; Number Exposed: Unknown; Number Euthanized: 1; Facility Type: Private Facility; Horse 1: Gender: Gelding; Breed: Quarter Horse (QH); Usage: Barrel Racing; Onset of Clinical Signs: 11/18/2025; Clinical Signs: Weak rear end Depression / Lethargy; Confirmation Date: 11/19/2025; Horse Status: Isolated; Vaccination Status: Status Unknown; Horse 2: Breed: Quarter Horse (QH); Clinical Signs: Neurologic signs; Horse Status: Euthanized; Comments: Both cases are associated with the EHM outbreak that originated at …
Source: State Veterinarian Number Confirmed: 1; Number Exposed: 1; Facility Type: Private Facility; Horse 1: Age: 13; Gender: Mare; Breed: Quarter Horse (QH); Usage: Barrel Racing; Onset of Clinical Signs: 11/18/2025; Clinical Signs: Febrile; Confirmation Date: 11/20/2025; Horse Status: Affected And Alive; Vaccination Status: Status Unknown; Comments: EHV-1 positive but no neurological signs. This horse was exposed to EHV at the event in Waco, TX. The horse spiked a mild fever after returning home …
Confirmed Case(s) – Official Quarantine Source: Texas Animal Health Commission Number Confirmed: 2; Comments: For more information, about EHM cases in Oklahoma and Texas tied to the Women’s Professional Rodeo Association (WPRA) World Finals and Elite Barrel Race event held Nov. 5-9 in Waco, Texas, and the cancellation of the Barrel Futurities of America …
Confirmed Case(s) – Official Quarantine Source: Oklahoma State Veterinarian Number Confirmed: 2; Comments: For more information, about EHM cases in Oklahoma and Texas tied to the Women’s Professional Rodeo Association (WPRA) World Finals and Elite Barrel Race event held Nov. 5-9 in Waco, Texas, and the cancellation of the Barrel Futurities of America (BFA) …
Kiowa County, OK Source: State Veterinarian Confirmed Case(s) – No Quarantine Number Confirmed: 1; Number Suspected: Unknown; Number Exposed: Unknown; Facility Type: Private Facility; Horse 1: Age: 5; Gender: Mare; Breed: Appaloosa; Usage: Breeding; Onset of Clinical Signs: 10/20/2025; Clinical Signs: Ataxia, loss of balance, falling forward; Confirmation Date: 11/4/2025; Horse Status: Unknown; Vaccination Status: Unvaccinated; Carter and Love County, OK Number Confirmed: 1; Number Suspected: Unknown; Number Exposed: Unknown; Horse 1: Age: 3; Gender: Gelding; Breed: Quarter Horse (QH); Usage: Ranch work; Onset of Clinical Signs: 10/16/2025; Clinical Signs: Anxiety, …
Source: Arizona Department of Agriculture and United States Department of Agriculture Animal and Plant Health Inspection Service Confirmed Case(s) – Official Quarantine Number Confirmed: 2Number Exposed: 60Facility Type: Private FacilityComments: On October 31, 2025, the National Veterinary Services Laboratories in Ames, Iowa, confirmed findings of vesicular stomatitis New Jersey virus (VSNJV) in horses on …
Source: Attending Veterinarian Confirmed Case(s) – No Quarantine Number Confirmed: 2Number Suspected: UnknownNumber Exposed: UnknownFacility Type: Veterinary HospitalComments: Two independent cases; not located on the same farm. For more information about West Nile Virus go to: WNV factsheet. See past published Outbreak Alerts: www.coloradohorsesource.com/category/news/alerts Equine Disease Communication CenterUpdates on current disease outbreaks are listed on our …
Source: State Veterinarian’s Office Number Confirmed: 1Number Exposed: Unknown Facility Type: Private Facility Horse 1: Age: 3; Gender: Mare; Breed: Quarter Horse (QH); Onset of Clinical Signs: 10/21/2025; Clinical Signs: Ataxia Fasciculation; Confirmation Date: 10/29/2025; Horse Status: Affected And Alive; Vaccination Status: Unvaccinated; For more information about West Nile Virus go to: WNV factsheet. See past published Outbreak Alerts: www.coloradohorsesource.com/category/news/alerts Equine Disease Communication CenterUpdates on current disease outbreaks are listed on …