EHV-1 Cases Confirmed in Arizona, Iowa

Officials reported cases in Maricopa and Yavapai counties, in Arizona, and in Polk County, Iowa.
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ehv-1 cases confirmed
In many horses, the first or only sign of EHV-1 infection is fever, which can go undetected. | Photo: Courtesy Peterson & Smith Equine Hospital

Animal health officials have reported cases of equine herpesvirus-1 (EHV-1) in Arizona and Iowa, the Equine Disease Communication Center (EDCC) said March 26.

Arizona

The EDCC said the Arizona Department of Agriculture (ADA) reported a case of equine herpesvirus myeloencephalopathy (EHM, the neurologic form of EHV-1) in a 16-year-old Yavapai County horse that began exhibiting neurologic signs on March 22. The horse was euthanized.

Samples for “lab work (were) collected and tests are pending,” the EDCC said

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Written by:

Erica Larson, former news editor for The Horse, holds a degree in journalism with an external specialty in equine science from Michigan State University in East Lansing. A Massachusetts native, she grew up in the saddle and has dabbled in a variety of disciplines including foxhunting, saddle seat, and mounted games. Currently, Erica competes in eventing with her OTTB, Dorado.

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