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

Tulsa County, OK

Outbreak Identifier: 6215

Alert ID: 3675

April 12, 2024

Confirmed Case(s) - Official Quarantine

Source: State Veterinarian

Number Confirmed: 6;
Number Exposed: 2;
Facility Type: Farm;

Horse 1:
Breed: Quarter Horse (QH); Usage: Pleasure Riding; Onset of Clinical Signs: 4/1/2024; Clinical Signs: Hind limb weakness, recumbency, urine retention; Confirmation Date: 4/5/2024; Horse Status: Affected And Alive; Vaccination Status: Vaccinated;

Comments: EHM horse is quarantined at a veterinary hospital. Three other horses that were exposed in the isolation barn with the EHM case became febrile and will finish out their quarantine at the veterinary clinic. One horse that was also exposed in the hospital isolation barn became febrile and is quarantined on home premise that contains three other horses. Of these three horses one became febrile and tested positive. All horses will remain under quarantine until state requirements for quarantine release are met.;

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