| Abbreviations | Meaning |
 | RAS | Retrovirus-associated DNA Sequence |
 | ABMLV | Abelson Murine Leukemia Virus |
 | CPXV | Cowpox Virus |
 | CLV | Cassava Latent Virus |
 | TAMMV | Tamarillo Mosaic Virus |
 | BCPV | Bovine Cutaneous Papillomavirus |
 | ECHO | Echocardiography; Enteric Cytopathic Human Orphan [virus]; Etoposide, Cyclophosphamide, Adriamycin, And Vincristine |
 | CRHV | Cottontail Rabbit Herpesvirus |
 | RSV | Rous Sarcoma Virus |
 | BOTV | Botambi Virus |
 | CFAV | Cell Fusing Agent Virus |
 | REDS | Retrovirus Epidemiology Donor Study |
 | CRV | Cowbone Ridge Virus |
 | VLA | Very Late Activation [antigen Or Protein]; Virus-like Agent |
 | AVDNV | Agraulis Vanillae Densovirus |