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

Haldimand County, ON

Alert ID: 977

August 14, 2018

Source: Ontario Ministry of Agriculture, Food and Rural Affairs

On August 8 and 9th, 2018, the Ontario Ministry of Agriculture, Food and Rural Affairs (OMAFRA) was notified of two confirmed cases of Eastern Equine Encephalitis (EEE) in horses in Haldimand County. Both horses, from separate farms, were unvaccinated for EEE and had no history of travel. They were euthanized following the sudden onset and progression of neurological signs. Laboratory diagnostic testing confirmed infection with EEE virus. Private veterinarians have confirmed that three more horses have demonstrated acute onset of neurological disease within a 5 km radius of these two horses and two have been euthanized.

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