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

Municipality of Niagara, Municipality of Hamilton-Wentworth, and Haldimand County, ON

Alert ID: 1021

September 07, 2018

Source: Ontario Ministry of Agriculture, Food and Rural Affairs

Between August 14 and September 6, the Ontario Ministry of Agriculture, Food and Rural Affairs received confirmation of six more cases of Eastern Equine Encephalitis in the following areas; 4 in the Regional Municipality of Niagara, 1 in the Regional Municipality of Hamilton-Wentworth and 1 in Haldimand County. The total number of cases for the year is 8 . Affected horses have ranged in age from 1.5 months to 18 years with 6 mares, 1 gelding and 1 male affected. All horses showed onset of severe neurological signs within 24 hours and all were euthanized. All were unvaccinated except one which was incompletely vaccinated.

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