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

Clare County, MI

Alert ID: 653

September 13, 2017

Source: Michigan Department of Agriculture and Rural Development

The Michigan Department of Agriculture and Rural Development received confirmation of an unvaccinated 10-year-old Morgan mare from Clare County that tested positive for Eastern Equine Encephalitis (EEE). The horse developed a sudden onset of neurologic disease, including head pressing, hyperexcitability, muscle fasciculations and ataxia in the hindlimbs. The horse was euthanized. No quarantines were issued. This bring the number of reported cases of EEE in Michigan for 2017 to three from Clare, Roscommon, and Wexford Counties.

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