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

Roscommon and Osceola Counties, MI

Alert ID: 640

September 08, 2017

Source: Michigan Department of Agriculture and Rural Development

The Michigan Department of Agriculture and Rural Development has received confirmation of an unvaccinated, five-year-old, Tennessee Walker mare from Roscommon County testing positive for both West Nile Virus (WNV) and Eastern Equine Encephalitis (EEE) (dually infected) and an unvaccinated, 20-year-old grade mare from Osceola County testing positive for WNV. This brings the total number of Michigan horses confirmed with WNV to 13 (two from Wexford and one each from the following counties: Clinton, Livingston, Jackson, Mecosta, Midland, Missaukee, Montcalm, Ottawa, Osceola, Roscommon, and St. Joseph) and the total number of horses reported as confirmed with EEE to two (one each from Osceola and one from Wexford).

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