Equine Herpesvirus- Neurologic

Confirmed Case(s) – Official Quarantine Source: Arizona Department of Agriculture Number Confirmed: 1Number Exposed: 8Number Euthanized: 1Facility Type: Private FacilityComments: No known direct exposure or epidemiologic link to any of the previously reported quarantined premises in Arizona nor any of the known exposure events in Texas or Oklahoma. For more information go to: https://www.equinediseasecc.org/equine-herpesvirus See past …

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Parker County Confirmed Case(s) – Official Quarantine Source: Private Practitioner and State Animal Health Official Number Confirmed: 1; Number Suspected: Unknown; Number Exposed: Unknown; Number Euthanized: 1; Facility Type: Private Facility;  Horse 1: Breed: Quarter Horse (QH); Onset of Clinical Signs: 11/21/2025; Horse Status: Euthanized;  Comments: This case is associated with the EHM outbreak that originated at the Women’s Professional Rodeo Association (WPRA) World Finals and …

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Confirmed Case(s) – Official Quarantine Source: State Veterinarian Number Confirmed: 2; Number Exposed: 3; Comments: One horse traveled to Waco for WPRA; this horse tested PCR positive on both nasal swab and blood and has exhibited fever and neurologic symptoms. The second horse had not traveled but became ill as a result of exposure to …

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Confirmed Case(s) – Official Quarantine Source: Attending Veterinarian Number Suspected: Unknown; Number Exposed: Unknown; Facility Type: Veterinary Hospital; Comments: Hospitalized horse with consistent EHM signs with known exposure to Waco facility; For an up-to-date count of EHM cases tied to this outbreak, please visit HERE For more information go to: https://www.equinediseasecc.org/equine-herpesvirus See past published Outbreak Alerts: www.coloradohorsesource.com/category/news/alerts Equine Disease Communication …

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Confirmed Case(s) – Official Quarantine Source: Private Practitioner Number Confirmed: 1; Number Suspected: Unknown; Number Exposed: Unknown; Facility Type: Private Facility; Comments: This case is associated with the EHM outbreak that originated at the Women’s Professional Rodeo Association (WPRA) World Finals and Elite Barrel Race event; For an up-to-date count of EHM cases tied to this outbreak, please visit HERE For …

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Confirmed Case(s) – Official Quarantine Source: Private Practitioner Number Confirmed: 1; Number Suspected: 1; Number Exposed: Unknown; Facility Type: Private Facility; Comments: This case is associated with the EHM outbreak that originated at the Women’s Professional Rodeo Association (WPRA) World Finals and Elite Barrel Race event; For an up-to-date count of EHM cases tied to this outbreak, please visit HERE For …

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Confirmed Case(s) – Official Quarantine Source: State Veterinarian’s Office Number Confirmed: 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 and now showing neurological signs; Confirmation Date: 11/20/2025; Horse Status: Affected And Alive; Vaccination Status: Status Unknown; Comments: Originally EHV-1 positive with no neurological signs but developed neurological signs overnight. This horse was exposed to …

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Confirmed Case(s) – Official Quarantine Source: Attending Veterinarian and TAHC Number Confirmed: 1; Number Exposed: 2; Facility Type: Private Facility;  Horse 1: Age: 23; Breed: Quarter Horse (QH); Usage: Barrel Racing; Onset of Clinical Signs: 11/19/2025; Clinical Signs: Ataxia, urine dribbling; Confirmation Date: 11/20/2025; Horse Status: Affected And Alive; Vaccination Status: Status Unknown; Comments: This case is associated with the EHM outbreak that originated at the Women’s Professional Rodeo Association (WPRA) World …

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Confirmed Case(s) – Official Quarantine Source: Attending Veterinarian Number Confirmed: 1; Number Suspected: 1; Number Exposed: Unknown; Number Euthanized: 1; Facility Type: Veterinary Hospital; Comments: Horse presented on 11/17/25; recumbent within an hour of admission. Euthanized after 48 hours of recumbency.; This horse was exposed to EHV at the Women’s Professional Rodeo Association (WPRA) World Finals and Elite Barrel Race event in …

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