The Idaho State Department of Agriculture confirmed equine herpesvirus myeloencephalitis (EHM) in a Quarter Horse mare in Jerome County. She exhibited ataxia, diminished tail tone and urine dribbling at a private facility. The mare, which was previously vaccinated, was euthanized.
Twenty-five horses out of 60 at the facility have been exposed and all 60 are isolated in quarantine.
The Equine Disease Communication Center (EDCC) works to protect horses and the horse industry from the threat of infectious diseases in North America. The communication system is designed to seek and report real time information about disease outbreaks similar to how the Centers for Disease Control and Prevention (CDC) alerts the human population about diseases in people.