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

Anne Arundel County, MD

Outbreak Identifier: 7183

Alert ID: 4707

November 07, 2025

Suspected Case - Voluntary Quarantine

Source: Maryland Department of Agriculture

Number Exposed: 6;
Number Euthanized: 1;
Facility Type: Private Facility;

Horse 1:
Age: 24; Gender: Mare; Breed: Cross; Onset of Clinical Signs: 10/27/2025; Clinical Signs: swollen submandibular lymph nodes, thick, yellow /white nasal discharge, difficult breathing requiring a tracheostomy; Confirmation Date: 11/1/2025; Horse Status: Euthanized; Vaccination Status: Status Unknown;

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