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

United Counties of Leeds and Grenville, ON

Outbreak Identifier: 6433

Alert ID: 3911

September 03, 2024

Confirmed Case(s) - No Quarantine

Source: OMAFA

Number Confirmed: 1;
Number Exposed: Unknown;

Horse 1:
Age: 18; Gender: Mare; Breed: Quarter Horse (QH); Onset of Clinical Signs: 8/22/2024; Clinical Signs: This mare was found down on August 22 and unable to rise. It became unresponsive and died.; Confirmation Date: 8/30/2024; Horse Status: Deceased; Vaccination Status: Unvaccinated;

Comments: To see past and present EEE cases in Ontario go to: https://www.oahn.ca/resources/ontario-equine-disease-alerts/ and enter the disease surveillance portal. To see past and present EEE cases in Canada, go to: https://cahss.ca/cahss-networks/equine and enter the equine dashboard.;

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