WNV in Oklahoma Horses: Fourth Case Confirmed

The affected yearling Quarter Horse filly from Stephens County was not vaccinated against WNV.

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WNV in Oklahoma horses
West Nile virus is transmitted to horses via bites from infected mosquitoes. | Photo: iStock

The Equine Disease Communication Center (EDCC) reported Oct. 1 that the Oklahoma Department of Agriculture, Food, and Forestry has confirmed another equine case of West Nile virus (WNV). This is the fourth case of WNV in Oklahoma horses so far this year.

“The 1-year-old Quarter Horse female located in Stephens County was showing severe neurologic signs and was not vaccinated,” the EDCC said.

There were seven confirmed cases of WNV in Oklahoma horses in 2017, according to USDA Animal and Plan Health Inspection Service data

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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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