| Abbreviations | Meaning |
 | EBOV | Ebola Virus |
 | EBV | Effective Blood Volume; Egypt Bee Virus; Epstein-Barr Virus; Estimated Blood Volume |
 | EBV | Epstein-Barr Virus |
 | EBV-IM | Epstein-BArr Virus Infectious Mononucleosis |
 | EBVS | Epstein-Barr Virus Susceptibility |
 | ECAO | Enteric Cytopathogenic Avian Orphan [virus] |
 | ECBO | Enteric Cytopathogenic Bovine Orphan [virus] |
 | ECBO VIRUS | Enteric Cytopathogenic Bovine Orphan Virus |
 | ECCO | Enteric Cytopathogenic Cat Orphan [virus]; European Culture Collection Organisation |
 | ECDO | Enteric Cytopathic Dog Orphan [virus] |
 | ECEO | Enteric Cytopathogenic Equine Orphan [virus] |
 | ECHO | Echocardiography; Enteric Cytopathic Human Orphan [virus]; Etoposide, Cyclophosphamide, Adriamycin, And Vincristine |
 | ECMO | Enteric Cytopathic Monkey Orphan [virus]; Extracorporeal Membrane Oxygenation |
 | ECPO | Enteric Cytopathic Porcine Orphan [virus] |
 | ECRO | Enteric Cytopathogenic Rodent Orphan [virus] |
 | ECSO | Enteric Cytopathic Swine Orphan [virus] |
 | ECTV | Ectromelia Virus |
 | ECV | Enteric Calicivirus; Epithelial Cell Vacuolization; Extracellular Volume; Extracorporeal Volume |
 | ECV | Euploea Corea Virus |
 | EEEV | Eastern Equine Encephalitis Virus |
 | EEV | Endocardial Ventriculotomy; Equine Encephalitis Virus; Equine Encephalosis Virus; Extracellular Enveloped Virus |
 | EEV 1-7 | Equine Encephalosis Virus 1 To 7 |
 | EGMV | Eggplant Green Mosaic Virus |
 | EHDV | Epizootic Hemorrhagic Disease Virus |
 | EHIV | Exposure To Human Immunodeficiency Virus |
 | EHNV | Epizootic Hematopoietic Necrosis Virus |
 | EHV | Edge Hill Virus; Electric Heart Vector; Epidermal Hyperplasia Virus; Equid Herpesvirus |
 | EIAV | Equine Infectious Anemia Virus |
 | EIV | Equine Influenza Virus; External Iliac Vein |
 | ELCPV | Eriogaster Lanestris Cypovirus |
 | ELHV | Elephantid Herpesvirus |
 | ELIV | Ellidaey Virus |
 | ELLV | Ellidaey Virus |
 | ELLV | Elderberry Latent Virus |
 | ELMCV | El Moro Canyon Virus |
 | ELV | Entero-like Virus; Environmental Limit Value; Erythroid Leukemia Virus |
 | EMCV | Eggplant Mottled Crinkle Virus; Encephalomyocarditis Virus |
 | EMDR | Eggplant Mottled Dwarf [virus]; Eye Movement Desensitization And Reprocessing |
 | EMIV | Enytus Montanus Ichnovirus |
 | EMMV | Eggplant Mild Mottle Virus |
 | EMV | Eggplant Mosaic Virus; Equine Morbillivirus; Eye, Motor, Voice [Glasgow Coma Scale] |
 | EMV | Eucocytis Meeki Virus |
 | ENMV | Endive Necrotic Mosaic Virus |
 | ENSV | Enseada Virus |
 | ENTV | Entamoeba Virus; Entebbe Virus |
 | EPCV | Epirus Cherry Virus |
 | EPHV | Elapid Herpesvirus |
 | EPV | Epstein-Barr Virus |
 | EPV | Encephaloclastic Proliferative Vasculopathy; Entomopoxvirus |
 | EQPV | Equine Picornavirus |