Fourth Michigan Horse Tests Positive for EEE
Mosquitoes that feed on EEE-infected birds can transmit the virus to humans, horses, and other birds. | Photo: iStock

The Michigan Department of Agriculture and Rural Development (MDARD) confirmed on Aug. 20 that four horses in three Michigan counties (Barry, Kalamazoo, and St. Joseph) tested positive for Eastern equine encephalomyelitis (EEE).

The Barry County case, an unvaccinated yearling Arabian filly, presented with an elevated temperature on Aug. 13 and was euthanized Aug. 14.

The affected horse in Kalamazoo County, an unvaccinated 5-year-old Quarter Horse mare, showed clinical signs including recumbency (down and unable to rise) and seizures and was euthanized on Aug. 11

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