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

Mecosta and Midland Counties, MI

Alert ID: 583

August 10, 2017

Source: Michigan Department of Agriculture and Rural Development

The Michigan Department of Agriculture and Rural Development has received confirmation that two additional Michigan horses have tested positive for West Nile virus (WNV). A six-year-old Standardbred gelding from Mecosta County, which was last reported to be undergoing treatment, and a six-year-old Quarter Horse mare from Midland County, which was euthanized due to the severity of its condition. Both horses were unvaccinated and developed sudden neurologic signs, including being unsteady (ataxia) in all limbs. No quarantines were issued.

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