The cases are located in Texas, Oklahoma, Louisiana, Colorado, New Mexico, Washington, Arizona, and South Dakota.

One horse in Rocky View County, Alberta, was recently euthanized after contracting equine herpesvirus-1 (EHV-1). The horse lived at a boarding facility, where 50 horses have been exposed.

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One horse in Madison County, Ohio, has tested positive for equine herpesvirus-1 (EHV-1). The horse is quarantined. This case is not associated with the Women’s Professional Rodeo Association outbreak ...