| 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 |
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