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Neurologic Equine Herpesvirus at Two Massachusetts Boarding Facilities

Two Massachusetts horses were confirmed with neurologic equine herpesvirus—and six others were suspected of having the disease—at boarding facilities in Middlesex and Plymouth Counties.
Massachusetts Middlesex and Plymouth Counties

Two Massachusetts horses were confirmed with neurologic equine herpesvirus—and six others were suspected of having the disease—at boarding facilities in Middlesex and Plymouth Counties.

The Massachusetts State Veterinarian's Office confirmed two cases of neurologic equine herpesvirus plus six suspect cases. 

One confirmed case was in a horse at a boarding facility in Middlesex County that had onset of clinical signs on May 5. Those signs included the horse being febrile and neurologic. The horse, which was confirmed on May 11, and was euthanized. 

Six other horses at that boarding facility are suspected of having neurologic equine herpesvirus.

At a boarding facility in Plymouth County, a gelding was confirmed with neurologic equine herpesvirus on April 28 after having neuroloic signs. That gelding was euthanized.

For more information about neurologic equine herpesvirus (also called equine herpesvirus myeloencephalopathy or EHM), read this Fact Sheet

Information for this report was provided by the Equine Disease Communication Center.

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