Written by CDFA and USDA/APHIS
Looking for information on Equine Herpes Myeloencephalopathy ( EHM )? Here are two downloadable fact sheets about the disease. Equine herpesvirus myeloencephalopathy (EHM) is another name for the neurologic disease associated with equine herpesvirus (EHV) infections. Equine Herpes virus is a contagious disease and may spread quickly among horse populations. EHV-1 is not transmissible to humans. Horse-to-horse contact, aerosol transmission, and contaminated hands, equipment, tack and feed all play a role in disease spread. Horses infected with the neurologic strain of EHV-1, may show any of the following clinical signs: nasal discharge, lack of coordination, hind-end weakness, lethargy, urine dribbling and diminished tail tone.
Written by Kimberly Henneman, DVM, FAAVA, Dip AAT, CVA, CVC
There has been another recent outbreak of the neurologic mutation of the common EHV-1 (equine herpes 1) virus. It is believed that the the virus exposure began at the Western National Championships (Nat'l Cutting Horse Assoc) held in Ogden, Ut (April 29-May 8) and may have been introduced by a horse from Western Canada. Word of sick horses being hospitalized in California, Nevada and Canada have been reported, but as of Monday, May 16, the only confirmed cases have been in Colorado.
Read more: UNDERSTANDING AND MANAGING THE NEUROLOGIC FORM OF EHV-1 (RHINO)


