Neurologic Herpesvirus in North Dakota

There has been one confirmed case of EHM, two additional living neurologic horses, and one deceased horse in this EHV-1 outbreak.

A premises in Bottineau County, North Dakota, has reported neurologic herpesvirus. iStock

The North Dakota state veterinarian has confirmed that one horse that had neurologic signs was laboratory confirmed positive for EHV-1 (neurologic herpesvirus, or equine herpesvirus myeloencephalopathy—EHM). Two other horses are clinically affected, but they were not tested. One deceased horse on the premises is undergoing necropsy to determine the cause of its death.

These horses were on a premises in Bottineau County, North Dakota. About 150 other horses were exposed on the premises. 

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

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