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

Haldimand County, ON

Outbreak Identifier: 7121

Alert ID: 4642

October 06, 2025

Confirmed Case(s) - Voluntary Quarantine

Source: OMAFA

Number Confirmed: 1;
Number Suspected: 1;
Number Exposed: 15;
Facility Type: Private Facility;

Horse 1:
Age: 20; Gender: Gelding; Breed: Warmblood (WB); Clinical Signs: A new horse arrived to the farm a few weeks prior to this gelding developing clinical signs of Strangles (fever, nasal discharge). The gelding subsequently tested positive for Strangles.
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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