A 19-year-old Standardbred mare in St. Joseph County, Michigan, was confirmed on August 9 with Eastern equine encephalitis (EEE). She had onset of clinical signs on August 4 that included high fever and recumbency. The unvaccinated mare was euthanized.
This is the second EEE case in Michigan this year.
The first case was reported on August 2 in Kalamazoo County. That yearling Paint gelding had onset of clinical signs on July 22 that included fever and recumbency. He was euthanized. His vaccination status was not reported.