Vesicular stomatitis virus can cause blisters and sores in the mouth and on the tongue, muzzle, teats, or hooves of horses, cattle, swine, sheep, goats, llamas and a number of other animals. | Photo: Courtesy Dr. Josie Traub-Dargatz

The National Veterinary Services Laboratories (NVSL) in Ames, Iowa, confirmed a finding of vesicular stomatitis virus (VSV) infection (Indiana serotype) on an equine premises in Platte County, Wyoming, on July 24, 2019. Horses on the premises have met the case definition of infection with compatible clinical signs and positive test results for the virus. This is the 2019 index case of VSV for Wyoming.

Additionally, U.S. Department of Agriculture/Animal and Plant Health Inspection Service provided state-by-state VSV updates since its last situation report on July 18, 2019