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 Prescott and Russell, ON

Outbreak Identifier: 6558

Alert ID: 4029

October 08, 2024

Confirmed Case(s) - No Quarantine

Source: OMAFA

Number Confirmed: 1;
Number Exposed: Unknown;

Horse 1:
Age: 15; Breed: Quarter Horse Cross; Onset of Clinical Signs: 9/22/2024; Clinical Signs: This horse developed acute neurologic signs (severe ataxia, muscle tremors, reduced PLR, obtunded) on September 22. She was euthanized later that evening due to progressive neurologic signs.; Confirmation Date: 10/7/2024; Horse Status: Euthanized; Vaccination Status: Unvaccinated;

Comments: This is the 22nd case of equine EEE in Ontario this year. 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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