Researchers at Colorado State University’s College of Veterinary Medicine and Biomedical Sciences today released results from a research project that summarizes the background characterization of last year’s outbreak of West Nile virus (WNV) in equids from Colorado and Nebraska.

“The objective of the study was to describe the equine West Nile virus cases in Colorado and Nebraska in order to better understand the progression of clinical disease, clinical signs and clinical outcome,” said Josie Traub-Dargatz, DVM, Dipl. ACVIM, principal investigator of the project. “The study’s results give us a clearer picture of last summer’s outbreak, especially in terms of the numbers of horses affected that were unvaccinated or incompletely vaccinated as well as their survival rate