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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West Nile Virus

Frontenac County, ON

Alert ID: 741

October 31, 2017

Source: Ontario Ministry of Agriculture, Food and Rural Affairs

Since October 19, 2017, 3 cases of West Nile Virus in Frontenac County, Oxford County and the Regional Municipality of Halton have been reported to the Ontario Ministry of Agriculture, Food and Rural Affairs. The horses included a gelding, a filly and a mare with ages ranging from 2 to 11 years. Clinical signs ranged from hind end weakness, muscle fasciculations and hyperesthesia to ataxia. All three are recovering under veterinary supervision. One horse was unvaccinated, one had not been vaccinated for three years, and one four-year-old had been vaccinated yearly since it was two. The total number of cases reported in Ontario in 2017 is 21.

http://www.omafra.gov.on.ca/english/livestock/horses/facts/nhd_surv2017.htm

http://www.omafra.gov.on.ca/french/livestock/horses/facts/nhd_surv2017.htm

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