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: 6374

Alert ID: 3852

August 19, 2024

Confirmed Case(s) - No Quarantine

Source: OMAFRA

Number Confirmed: 1;
Number Exposed: Unknown;

Horse 1:
Age: 3; Gender: Gelding; Breed: Percheron; Onset of Clinical Signs: 8/6/2024; Clinical Signs: Inappetence and fever (41.7 C) on the evening of Aug 6. Despite supportive treatment the gelding became sleepy, leaning on the stall wall, reluctant to move and head pressing the next morning. He quickly became recumbent and unresponsive to normal stimuli and was euthanized later that day.; Confirmation Date: 8/17/2024; Horse Status: Euthanized; 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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