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

Love County, OK

Outbreak Identifier: 7220

Alert ID: 4746

November 24, 2025

Confirmed Case(s) - Official Quarantine

Source: Oklahoma State Veterinarian

Number Confirmed: 1;
Number Suspected: Unknown;
Number Exposed: Unknown;
Comments: Horse is from Texas, being treated in Oklahoma, and has been diagnosed with EHM. Horse attended the WPRA in Waco and the BFA in Guthrie. Horse was displaying mild neurological signs when owner returned form the BFA and owner took the horse immediately to an Oklahoma Veterinary Clinic for treatment. Horse was only at Texas premises for a few hours when it came back from the BFA before returning to Oklahoma.;

For an up-to-date count of EHM cases tied to the Waco, Texas outbreak, please visit HERE

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