Outbreaks | Equine Disease Communication Center

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- Neurologic

Wharton County, TX

Outbreak Identifier: 7200

Alert ID: 4725

November 20, 2025

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 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

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