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

District of Parry Sound, ON

Outbreak Identifier: 4904

Alert ID: 2249

September 20, 2021

Confirmed Case(s) - No Quarantine

Source: Ontario Ministry of Agriculture and Food and Rural Affairs

Number Confirmed: 2;
Number Suspected: 1;
Facility Type: Private Facility;
Age: 3; Gender: Mare; Breed: Not Reported; Onset of Clinical Signs: 9/4/2021;
Clinical Signs: Ataxia, Sudden Onset of Discomfort; Confirmation Date: 9/16/2021; Horse Status: Euthanized; Vaccination Status: Unvaccinated;

Age: 5; Gender: Mare; Breed: Not Reported; Onset of Clinical Signs: 9/8/2021;
Clinical Signs: Blindness, Facial Paralysis, Muscle Fasciculations, Recumbency, Severe Ataxia; Confirmation Date: 9/16/2021; Horse Status: Euthanized; Vaccination Status: Unvaccinated;

Notes: A positive mosquito pool for EEE has been reported for the North Bay Parry Sound District public health unit . https://www.publichealthontario.ca/en/data-and-analysis/infectious-disease/west-nile-virus;

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