Michigan Equine EEE Cases Climb to 32
Mosquitoes that feed on EEE-infected birds can transmit the virus to humans, horses, and other birds. | Photo: Thinkstock
On Sept. 25, Michigan Department of Agriculture and Rural Development (MDARD) officials confirmed two unvaccinated horses with Eastern equine encephalomyelitis (EEE), bringing the state’s total confirmed cases to 32 for the year.

The affected horses include a 20-year-old Arabian mare in Oakland County and an 11-year-old pony mare in Tuscola County. The pony mare is Tuscola County’s first case in 2020.

Both equines began showing clinical signs on Sept. 12. The Oakland County mare’s signs consisted of recumbency (down and unable to rise), and she was humanely euthanized.

The Tuscola County mare’s signs included ataxia (loss of muscle control) and tremors. She is reported as recovering

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