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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
Montgomery County, PA
Outbreak Identifier: 6760
Alert ID: 4249
March 06, 2025
Confirmed Case(s) - Official Quarantine

Attending veterinarian

Number Confirmed: 4; 
Number Exposed: Unknown; 
Facility Type: Boarding Facility; 

Horse 1: 
Age: 18; Gender: Gelding; Breed: Thoroughbred (TB); Onset of Clinical Signs: 2/20/2025; Clinical Signs: Colic, ataxic, incontinent; Confirmation Date: 2/22/2025; Horse Status: Affected And Alive; Vaccination Status: Vaccinated;

Horse 2: 
Age: 9; Gender: Mare; Breed: Quarter Horse (QH); Onset of Clinical Signs: 2/21/2025; Clinical Signs: Acutely ataxic, incontinent; Confirmation Date: 2/21/2025; Horse Status: Affected And Alive; Vaccination Status: Vaccinated;

Horse 3: 
Age: 20; Gender: Gelding; Breed: Draft-cross; Onset of Clinical Signs: 2/24/2025; Clinical Signs: ADR, reluctant to eat; Confirmation Date: 2/24/2025; Horse Status: Affected And Alive; Vaccination Status: Vaccinated;

Horse 4: 
Age: 25; Gender: Gelding; Breed: Pony; Onset of Clinical Signs: 2/26/2025; Clinical Signs: Fever, otherwise normal; Confirmation Date: 3/3/2025; Horse Status: Affected And Alive; Vaccination Status: Vaccinated;
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