Diagnostic testing conducted reported on September 29 by the Equine Diagnostic Services in Lexington, Kentucky, confirmed a diagnosis of West Nile virus (WNV) affecting a second Kentucky horse. The confirmation of disease is based on WNV-specific IgM antibodies being detected and compatible clinical signs with WNV.
A 9-year-old Tennessee Walking Horse in Madison County, Kentucky, had onset of clinical signs on September 21 that included lethargy, inappetence, proprioceptive disorder, muscle fasciculations and moderate ataxia. The unvaccinated horse was alive
Onset Date: 09/21/20 Lethargic, Inappetence, Proprioceptive Disorder, Muscle Fasciculation, and Moderate Ataxia. The horse was alive and described on September 29 by the attending veterinarian to be in a stable condition with some improvement.