Ohio Confirms its Fourth Equine Case of EEE of 2019
The affected horse is Portage County’s second equine EEE case of the year. | Photo: Wikimedia Commons
The Ohio Department of Agriculture (ODA) has confirmed the state’s fourth and Portage County’s second equine case of Eastern equine encephalomyelitis (EEE) for 2019.

The 15-year-old Paso Fino mare, whose vaccination status is reported as undervaccinated, started showing clinical signs of recumbency (inability to rise) and weakness on Sept. 27. The mare was subsequently euthanized.

EEE 101

Eastern equine encephalomyelitis is caused by the Eastern equine encephalitis virus, for which wild birds are a natural reservoir. Mosquitoes that feed on EEE-infected birds can transmit the virus to humans, horses, and other birds. Horses do not develop high enough levels of these viruses in their blood to be contagious to other animals or humans. Because of the high mortality rate in horses and humans, EEE is regarded as one of the most serious mosquito-borne diseases in the United States

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