Strangles
Wellington, ON
Alert ID: 4832
March 19, 2026
Confirmed Case(s) - Voluntary Quarantine

OMAFA

Number Confirmed: 1; 
Number Exposed: Unknown; 
Facility Type: Training Facility; 

Horse 1: 
Age: 3; Gender: Filly; Breed: Quarter Horse (QH); Clinical Signs: This filly had a fever for 4 days then developed purulent nasal discharge and lymph node enlargement under the jaw. She tested positive for Streptococcus equi by PCR (Strangles).; Horse Status: Recovering; 

Comments: To see past and present Strangles cases in Ontario go to: https://www.oahn.ca/resources/ontario-equine-disease-alerts/ and enter the disease surveillance portal;