Texas Confirms Six New Equine West Nile Cases

The laboratory also confirmed one case of Eastern equine encephalitis in a horse residing in Orange County.
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The Texas A&M Veterinary Medical Diagnostic Laboratory has reported that it has confirmed six new cases of West Nile virus (WNV) in that state.

Three additional cases were diagnosed in Texas earlier this year. The positive cases are located in the following counties:

  • Limestone County
  • Erath County
  • Denton County
  • Austin County
  • Montgomery County
  • Lamar County
  • Polk County
  • McLennan County
  • Wood County

Additionally, the laboratory has confirmed one case of Eastern equine encephalitis (EEE) in a horse residing in Orange County.

A viral disease, EEE affects the central nervous system and is transmitted to horses by infected mosquitoes. Clinical signs of EEE include moderate to high fever, depression, lack of appetite, cranial nerve deficits (facial paralysis, tongue weakness, difficulty swallowing), behavioral changes (aggression, self-mutilation, or drowsiness), gait abnormalities, or severe central nervous system signs, such as head-pressing, circling, blindness, and seizures. The course of EEE can be swift, with death occurring two to three days after onset of clinical signs despite intensive care; fatality rates reach 75-80% among horses. Horses that survive might have long-lasting impairments and neurologic problems

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