2019 Vesicular Stomatitis Outbreak Update

Vesicular stomatitis is a viral disease that primarily affects horses and cattle, but can also affect swine, sheep, goats, llamas, alpacas, and rarely humans. Since the start of the outbreak on June 21, 2019, 808 vesicular stomatitis virus (VSV)-affected premises have been identified (339 confirmed positive, 469 suspect) in Texas, New Mexico, Colorado, Wyoming, Oklahoma, Nebraska, and Utah. To date, only equine species (805 premises) and bovine species (3 premises in Colorado and Texas) have been affected in this outbreak.

View the USDA Situation Reports for more information.