| Abbreviations | Meaning |
 | VHEV | Vilyuisk Human Encephalomyelitis Virus |
 | VHSV | Viral Hemorrhagic Septicemia Virus |
 | VIA | Virus Inactivating Agent; Virus Infection-associated Antigen |
 | VIDE | Virus Identification Data Exchange |
 | VIF | Variance Inflation Factor; Virus-induced Interferon |
 | VINV | Vinces Virus |
 | VIR | Virus, Viral |
 | VISNA | Visna/maedi Virus |
 | VLA | Very Late Activation [antigen Or Protein]; Virus-like Agent |
 | VLIA | Virus-like Infectious Agent |
 | VLP | Vincristine, L-asparaginase, And Prednisone; Virus-like Particle |
 | VLP | Virus-like Particle |
 | VMDV | Virulent Marek Disease Virus |
 | VN | Vesical Neck; Vestibular Nucleus; Virus Neutralization; Visceral Nucleus; Visiting Nurse; Vitronectin; Vocational Nurse; Vomeronasal |
 | VRL | Lumbar Ventral Root; Vanilloid Receptor-like [protein]; Virus Reference Laboratory |
 | VRV | Ventricular Residual Volume; Viper Retrovirus; Virgin River Virus |
 | VSAV | Vesicular Stomatitis Alagoas Virus |
 | VSD | Ventricular Septal Defect; Vesicular Stomatitis Virus; Virtually Safe Dose |
 | VSINC | Virus Subcommittee Of The International Nomenclature Committee |
 | VSIV | Vesicular Stomatitis Indiana Virus |
 | VSNJV | Vesicular Stomatitis New Jersey Virus |
 | VSTA | Virus-Serum-Toxin Act |
 | VSV | Vesicular Stomatitis Virus |
 | VSV-G | G Protein Of Gibbon Ape Leukemia Virus |
 | VTM | Mechanical Tidal Volume; Virus Transport Medium |
 | VV | Vaccinia Virus |
 | VVGF | Vaccinia Virus Growth Factor |
 | VVMDV | Very Virulent Marek Disease Virus |
 | VX | No Evidence Of Venous Invasion [TNM (tumor-node-metastasis) Classification]; Virus X |
 | VZV | Varicella-zoster Virus |
 | WALV | Wallal Virus |
 | WANV | Wanowrie Virus |
 | WARV | Warrego Virus |
 | WB | Willowbrook [virus] |
 | WBV | Waterborne Virus; Whole Blood Volume; Whole Brain Volume |
 | WEEV | Western Equine Encephalitis Virus |
 | WELV | Weldona Virus |
 | WESSV | Wesselsbron Virus |
 | WEXV | Wexford Virus |
 | WGRV | Wongorr Virus |
 | WHAV | Whataroa Virus |
 | WHV | Woodchuck Hepatic Virus |
 | WIHS | Women's Interagency Human Immunodeficiency Virus [HIV] Study |
 | WN | West Nile Virus |
 | XIBV | Xiburema Virus |
 | XINV | Xingu Virus |
 | Y1V | Yaba-1 Virus |
 | Y73SV | Y73 Sarcoma Virus |
 | Y7V | Yaba-7 Virus |
 | YACV | Yacaaba Virus |