Strangles
Madison County, IL
Alert ID: 4545
October 02, 2025
Confirmed Case(s) - Voluntary Quarantine

Attending veterinarian

Number Confirmed: 1; 
Number Suspected: 1; 
Number Exposed: Unknown; 
Facility Type: Private Facility; 

Horse 1: 
Age: 16; Gender: Gelding; Breed: Arabian; Usage: Pleasure Riding; Onset of Clinical Signs: 9/9/2025; Clinical Signs: Severe dyspnea (required tracheotomy), submandibular lymphadenopathy, bilateral nasal discharge, lethargy; Confirmation Date: 9/15/2025; Horse Status: Recovering; Vaccination Status: Status Unknown;

Comments: Patient was bought at the end of August. Other horse on farm was bought a week prior to the patient, and that horse had nasal discharge a few days before this patient at the beginning of September. The patient then developed severe symptoms a few days later. Both horses were bought from separate boarding stables/training facilities in the same county. The first horse bought had a history of receiving a strangles vaccination per the previous owner.;