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

Lanark County, ON

Outbreak Identifier: 6404

Alert ID: 3881

August 26, 2024

Confirmed Case(s) - No Quarantine

Source: OMAFRA

Number Confirmed: 1;
Number Exposed: Unknown;

Horse 1:
Age: 2; Gender: Filly; Breed: Quarter Horse (QH); Clinical Signs: This filly was found down on August 14 by the owners. When they got her up she leant against a wall. She was also febrile (103F). She was euthanized . Serum IgM was positive for EEE.; Horse Status: Euthanized; Vaccination Status: Undervaccinated;

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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