Ohio Department of Agriculture (ODA) officials have reported that equine herpesvirus type-1 (EHV-1) has been confirmed as the cause of the respiratory and neurologic illness that has plagued University of Findlay horses since Jan. 12.

“Our laboratory test results substantiate the initial clinical diagnosis by veterinary experts a few days ago that EHV-1 caused the current outbreak of illness in horses at the university’s English riding facility,” Ohio’s state veterinarian R. David Glauer, DVM said. Ten horses have died or have been euthanized as a result of the virus