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

Rogers County, OK

Outbreak Identifier: 6857

Alert ID: 4361

May 15, 2025

Confirmed Case(s) - Official Quarantine

Source: State Veterinarian

Number Confirmed: 1;
Number Suspected: Unknown;
Number Exposed: 10;
Number Euthanized: 1;
Facility Type: Farm;

Horse 1:
Age: 4; Gender: Mare; Breed: Paint; Usage: Breeding; Onset of Clinical Signs: 5/2/2025; Clinical Signs: Hind limb weakness, urine retention, recumbency; Confirmation Date: 5/6/2025; Horse Status: Euthanized;

Comments: All exposed horses are under quarantine and being monitored for clinical signs of disease. Horses will remain under quarantine until state requirements for quarantine release are met.;

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