TABLE 2.
Retrovirus genera
| Genus | Morphology | Examplesa |
|---|---|---|
| Alpharetrovirus | C type | RSV, ASLV |
| Betaretrovirus | B and D type | MMTV, SRV-1 to SRV-5, BaEV, JSRV, ENTV |
| Gammaretrovirus | C type | MoMLV, A-MLV, 10A1 MLV, X-MLV, P-MLV, AKV, GALV, MDEV, FeLV, PERV, RD-114, SNV, REV |
| Deltaretrovirus | HTLV-1, HTLV-2, STLV-1 to STLV-3, BLV | |
| Epsilonretrovirus | WDSV | |
| Lentivirus | HIV-1, HIV-2, SIV | |
| Spumavirus | HFV, SFV |
a
RSV, Rous sarcoma virus; MMTV, mouse mammary tumor virus; ENTV, enzootic nasal tumor virus; MoMLV, Moloney MLV; X;MLV, xenotropic MLV; P-MLV, polytropic MLV; AKV, AKV MLV; MDEV, M. dunni endogenous virus; REV, reticuloendotheliosis virus; STVL, simian T-lymphotropic virus; BLV, bovine leukemia virus; WDSV, walleye dermal sarcoma virus; HFV, human foamy virus; SFV, simian foamy virus.