King William County, Virginia, Horses Test Positive for EHV

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In many horses, fever is the only sign of EHV-1 infection, which can go undetected.
Photo: Stephanie L. Church, Editor-in-Chief

The Virginia Department of Agriculture and Consumer Services’ (VDACS) has confirmed a diagnosis of equine herpesvirus-1 (EHV-1) on a second farm in Virginia.

Last week the department announced that three horses from Culpeper County had tested positive for EHV-1. That farm remains under quarantine.

This new case originated from a small private pleasure horse farm in King William County. Out of the four horses that showed clinical signs compatible with equine herpesvirus myeloencephalopathy (EHM, the neurologic form of the virus), two tested positive and both of them were euthanized.

This farm is under quarantine and all exposed horses are being monitored twice daily for fever (temperature over 101.5°F) and other clinical signs

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