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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Strangles

Clarke County, VA

Outbreak Identifier: 7013

Alert ID: 4530

August 28, 2025

Confirmed Case(s) - Voluntary Quarantine

Source: Attending veterinarian

Number Confirmed: 2;
Number Suspected: Unknown;
Number Exposed: Unknown;
Facility Type: Private Facility;

Horse 1:
Age: Suckling Foal; Gender: Colt; Breed: Tennessee Walking Horses; Onset of Clinical Signs: 8/19/2025; Clinical Signs: The colt was initially housed in a facility in TN with an ongoing strangles outbreak. The colt was shipped from TN to VA in early August and developed fever and throatlatch swelling and was subsequently referred to an equine hospital in VA. Diagnostics revealed clinical signs consistent with strangles and moderate penumonia. The colt subsequently tested positive for Strep equi equi and Rhodococcus. The colt has improved with medical management.; Confirmation Date: 6/26/2025; Horse Status: Affected And Alive;

Horse 2:
Age: 12; Gender: Mare; Breed: Tennessee Walking Horses; Clinical Signs: No clinical signs;

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