CSU Diagnoses First Equine West Nile Virus Case this Year, Tracks Outbreak in Northern Colorado Outlet: 19 Aug, 2013 The first reported equine case of West Nile Virus (WNV) was diagnosed in Colorado last week. Colorado State University’s Veterinary Diagnostic Laboratory diagnosed the WNV positive horse, a 3-month-old colt from Montezuma County. link
