Equine Neurologic Herpesvirus in Chester County, Pennsylvania

One horse has been euthanized due to equine herpesvirus myeloencephalopathy (EHM) and 33 others have been exposed on one premises.
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Chester County Pennsylvania map

A Quarter Horse mare in Chester County, Pennsylvania, has been euthanized due to neurologic herpesvirus.

The Pennsylvania Department of Agriculture has confirmed neurologic equine herpesvirus on a property in Chester County, Pennsylvania. A 14-year-old Quarter horse mare had onset of clinical signs for equine herpesvirus myeloencephalopathy (EHM) on October 27 that included limb edema, urine dribbling, poor tail tone and recumbency. She was confirmed with neurologic herpesvirus on October 28 and was euthanized.

Thirty-three other horses on the property have been quarantined.

No state-wide restrictions or regulations have been instituted since the only premises involved is under quarantine.

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

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