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.

Disease

Outbreak States

Start Date

End Date

Strangles

Simcoe County, ON

Outbreak Identifier: 6699

Alert ID: 4178

January 10, 2025

Confirmed Case(s) - Voluntary Quarantine

Source: OMAFA

Number Confirmed: 3;
Number Suspected: 1;
Number Exposed: Unknown;
Facility Type: Boarding Facility;

Horse 1:
Age: 17; Gender: Mare; Breed: Quarter Horse (QH); Clinical Signs: This mare developed an abscess under her jaw. PCR positive for S. equi. Two other horses (one with an abscess under the jaw, and one with nasal discharge) have also been confirmed positive.;

Comments: The facility owner is working with their veterinarian on voluntary animal movement restrictions and biosecurity. 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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