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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Eastern Equine Encephalitis

Lambton County, ON

Outbreak Identifier: 4484

Alert ID: 1860

October 14, 2020

Confirmed Case(s) - No Quarantine

Source: Ontario Ministry of Agriculture, Food and Rural Affairs

Number Confirmed: 3;
Age: 20; Gender: Gelding; Breed: Quarter Horse; Onset of Clinical Signs: 9/22/2020;
Clinical Signs: Experiencing seizures, Paddling, Profuse Sweating, Fasciculations over the triceps; Confirmation Date: 10/9/2020; Horse Status: Euthanized; Vaccination Status: Unvaccinated;

Age: 11; Gender: Gelding; Breed: Quarter Horse; Onset of Clinical Signs: 9/22/2020;
Clinical Signs: Anxious, Muscle Fasciculations, Ataxia, Drooling, Deviated Muzzle; Confirmation Date: 10/9/2020; Horse Status: Deceased; Vaccination Status: Unvaccinated;

Age: 1; Gender: Mare; Breed: Not Reported; Onset of Clinical Signs: 9/22/2020;
Clinical Signs: Down; Confirmation Date: 10/9/2020; Horse Status: Euthanized; Vaccination Status: Unvaccinated;
Notes: Two horses were from the same farm. One (filly) was on a farm 5 miles from the other. All were located in Lambton County;

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