Disease Alerts

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.



Equine Herpesvirus- Neurologic
Jefferson County, KY
Outbreak Identifier: 5434
Alert ID: 2820
November 30, 2022
Confirmed Case(s) - Official Quarantine

Kentucky Department of Agriculture

Number Confirmed: 1;
Number Exposed: 13;
Facility Type: Racetrack;
Age: 3; Gender: Filly; Breed: Thoroughbred (TB); Usage: Racing; Onset of Clinical Signs: 11/28/2022;
Clinical Signs: fever, hind limb ataxia, dripping urine;; Confirmation Date: 11/29/2022; Horse Status: Quarantined; Vaccination Status: Vaccinated;
Comments: A barn at Churchill Downs is currently under quarantine after a filly has tested positive for EHV. The filly is reported to have had a recurring fever and was referred from Churchill Downs to a Lexington area equine hospital on 11/28 after displaying hind limb ataxia. 13 exposed horses are quarantined. Samples (swabs/blood)were collected from each horse this morning (11/30) and have been submitted for PCR testing. For more information go to: EHV factsheet.