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.



Potomac Horse Fever
Hamilton County, OH
Outbreak Identifier: 5671
Alert ID: 3096
July 12, 2023
Confirmed Case(s) - No Quarantine

Attending Veterinarian

Number Confirmed: 1; 
Number Suspected: Unknown; 
Number Exposed: Unknown; 
Facility Type: Boarding Facility; 
Age: 4; Gender: Gelding; Breed: Thoroughbred (TB); Usage: Pleasure Riding; Onset of Clinical Signs: 7/2/2023;
Clinical Signs: High fevers 105 degrees F, extreme lethargy, off feed, development of pipestream diarrhea on last day (euth); Confirmation Date: 7/5/2023; Horse Status: Euthanized; Vaccination Status: Vaccinated;

For more information, go to https://www.equinediseasecc.org/potomac-horse-fever