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

Dufferin County, ON

Outbreak Identifier: 7317

Alert ID: 4863

February 03, 2026

Confirmed Case(s) - Voluntary Quarantine

Source: OMAFA

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

Horse 1:
Age: 15; Gender: Gelding; Breed: Draft; Onset of Clinical Signs: 1/27/2026; Clinical Signs: This gelding developed clinical signs of a white discharge from both nostrils and a high fever. A new horse had been purchased two weeks prior to this horse developing signs. The new horse seemed "off" and was isolated just prior to this gelding becoming ill.;

Comments: The facility owner, working with their veterinarian, has instituted voluntary animal movement restrictions and biosecurity protocols. 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;;

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