| Abbreviations | Meaning |
 | EQTV | Equine Torovirus |
 | ERAV | Equine Rhinitis A Virus |
 | ERBV | Equine Rhinitis B Virus |
 | ERC | Enteric Cytopathic Human Orphan-rhino-coryza [virus] |
 | ERHV | Erinaceid Herpesvirus |
 | ERLV | Erysimum Latent Virus |
 | ERV | Embu Virus |
 | ERV | Entero-like Virus |
 | ERV | Equine Rhinopneumonitis Virus |
 | ERV | Estero Real Virus |
 | ERV | Etched Ringspot Virus |
 | ERVEV | Erve Virus |
 | ESCPS | Euxoa Scandens Cypovirus |
 | ESHV | Esocid Herpesvirus |
 | ESLV | Elderberry Symptomless Virus |
 | ESMOV | Eggplant Severe Mottle Virus |
 | ESSV | Essaouira Virus |
 | ETIV | Eriborus Terebrans Ichnovirus |
 | EUBV | Eubenangee Virus |
 | EUCROMIC | European Collaborative Research On Mosaicism In Chorionic Virus Sample |
 | EV | Ebola Virus |
 | EV | Encephalitis Or Encephalomyelitis Virus |
 | EV | Enteritis Virus |
 | EV | Enterovirus |
 | EV | Entomopoxvirus |
 | EV-69, 70, 71 | Human Enterovirus 69, 70, And 71 |
 | EVIL | Exposure To Selected Viruses In Research Laboratories |
 | EVV | Everglades Virus |
 | EWSMV | European Wheat Striate Mosaic Virus |
 | EYAV | Eyach Virus |
 | EYAV-FR578 | Eyach Virus-France 578 |
 | EYAV-GER | Eyach Virus-Germany |
 | EYMV | Eggplant Yellow Mosaic Virus |
 | F-MULV | Friend Murine Leukemia Virus |
 | FADV | Fowl Adenovirus |
 | FAHV | Falconid Herpesvirus |
 | FARV | Farallon Virus |
 | FASTV | Feline Astrovirus |
 | FAV | Facio-auriculovertebral [sequence]; Feline Ataxia Virus; Floppy Aortic Valve; Fowl Adenovirus |
 | FBJMSV | Finkel-Biskis-Jinkins Murine Sarcoma Virus |
 | FCOV | Feline Coronavirus |
 | FCV | Feline Calicivirus; Fowl Calicivirus |
 | FD-MIV | Friend Derived Murine Immunosuppressive Virus |
 | FDLV | Fer De Lance Virus |
 | FDV | Fiji Disease Virus; Foliar Decay Virus; Friend Disease Virus |
 | FECV | Feline Enteric Coronavirus |
 | FEHV | Felid Herpesvirus |
 | FELV | Feline Leukemia Virus |
 | FESV | Feline Sarcoma Virus |
 | FFV | Feline Foamy Virus; Fruit Fly Virus |