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

Ontario, Canada

Alert ID: 742

October 31, 2017

Source: Ontario Ministry of Agriculture, Food and Rural Affairs

A second case of EEE was confirmed by the Ontario Ministry of Agriculture Food and Rural Affairs the week of October 23, 2017. The 19-year old mixed breed mare, 11 months pregnant and unvaccinated for EEE was from the District of Muskoka. Neurological signs began as muscle tremors and hind end weakness and progressed rapidly to recumbency. The mare was euthanized. This is the second confirmed case of EEE in Ontario in 2017.

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