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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West Nile Virus

Simcoe County, ON

Outbreak Identifier: 5920

Alert ID: 3361

September 26, 2023

Confirmed Case(s) - No Quarantine

Source: OMAFRA

Number Confirmed: 1;
Number Exposed: Unknown;
Facility Type: Private Facility;
Age: Yearling; Gender: Colt; Breed: Belgian; Onset of Clinical Signs: 9/13/2023;
Clinical Signs: This colt develop a fever (39 C) and acute neurologic signs (ataxic, weak, no menace in the left eye) on September 13.; Confirmation Date: 9/25/2023; Horse Status: Recovering; Vaccination Status: Unvaccinated;
Comments: This is the 5th confirmed equine WNV case of the year.;

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