Ureaplasma urealyticum

Usutu Virus

Vesicular stomatitis Virus

Veterinary Rotavirus A

Veterinary Rotavirus B

Veterinary Rotavirus C

Vibrio (all species)

Vibrio cholerae (All subspecies)

West Nile Virus

Western Equine Encephalomyelitis Virus

Yersinia enterocolitica

Yersinia pestis