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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Equine Influenza

Essex County, ON

Outbreak Identifier: 6861

Alert ID: 4365

May 16, 2025

Confirmed Case(s) - Voluntary Quarantine

Source: OMAFA

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

Horse 1:
Gender: Mare; Breed: Quarter Horse (QH); Usage: Barrel Racing; Onset of Clinical Signs: 5/10/2025; Clinical Signs: This mare competed at an event in Huron County May 9-10 and develop nasal discharge on May 10.; Horse Status: Recovering; Vaccination Status: Status Unknown;

Comments: The veterinarian is working with the facility manager on voluntary movement restrictions and biosecurity protocols.;

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