Vesicular stomatitis virus is a Group V (−)ssRNA virus in the family Rhabdoviridae; the well-known rabies virus belongs to the same family. VSV can infect insects, cattle, horses and pigs. It has particular importance to farmers in certain regions of the world where it infects cattle. Its clinical presentation is identical to the very important foot and mouth disease virus. The main sign in animals is ora disease appearing as mucosal vesicles and ulcers in the mouth, but also on the udder and around the coronary band.