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

Loudoun County, VA

Outbreak Identifier: 6007

Alert ID: 3449

October 26, 2023

Confirmed Case(s) - Official Quarantine

Source: Attending veterinarian

Number Confirmed: 3;
Number Suspected: Unknown;
Number Exposed: Unknown;
Facility Type: Equine Clinic;

Horse 1:
Age: 20; Gender: Mare; Breed: Standardbred; Onset of Clinical Signs: 10/14/2023; Clinical Signs: Encephalopathy; Confirmation Date: 10/21/2023; Horse Status: Quarantined; Vaccination Status: Status Unknown;

Horse 2:
Age: 20; Gender: Mare; Breed: Cross; Onset of Clinical Signs: 10/23/2023; Clinical Signs: Fever, ventral edema, cough; Confirmation Date: 10/25/2023; Horse Status: Quarantined; Vaccination Status: Status Unknown;

Horse 3:
Age: 5; Gender: Mare; Breed: Donkey; Onset of Clinical Signs: 10/17/2023; Clinical Signs: low-grade fever; Confirmation Date: 10/25/2023; Horse Status: Quarantined; Vaccination Status: Status Unknown;

Comments: All cases are from an equine rescue in MD. Horses were pruchased from an auction in Shippensburg, and shipped directly to isolation at Marion duPont Scott EMC. Dr. Odian (MD) and Dr. Sage (VA) are aware of the results.;

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