Three Michigan Horses Dead Due to EEE

Horses in St. Joseph and Allegan Counties in Michigan are deceased due to Eastern equine encephalitis (EEE).

A total of three horses in St. Joseph and Allegan Counties in Michigan are deceased due to Eastern equine encephalitis (EEE). iStock

The Michigan Department of Agriculture has reported three cases of Eastern equine encephalitis (EEE), all of which are now deceased. The state has had 27 reported cases of EEE since August 1 of this year.

Two horses recently were confirmed with EEE in St. Joseph County. One was a 5-year-old Standard mare that had onset of clinical signs on October 1 that included depression and becoming unable to rise. The unvaccinated mare is deceased.

A second horse in St. Joseph County confirmed with EEE was a 3-year-old Belgian mare that has onset of clinical signs on October 1 that included depression and becoming unable to rise. The unvaccinated mare is deceased.

In Allegan County, a 24-year-old Arab cross mare had onset of clinical signs of EEE on October 1 that included ataxia, walking in circles and eventually becoming unable to rise. The unvaccinated mare was euthanized.

Information for this report was provided by the Equine Disease Communication Center.

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