Leukemia Virus, FelineLeukemia, FelineCatsCat DiseasesAcquired Immunodeficiency SyndromeImmunodeficiency Virus, FelineLeukemia Virus, MurineFeline Acquired Immunodeficiency SyndromeSarcoma Viruses, FelineRetroviridae InfectionsMoloney murine leukemia virusLeukemia, ExperimentalLeukemia Virus, BovineLeukemiaReceptors, VirusMurine Acquired Immunodeficiency SyndromeTumor Virus InfectionsRetroviridaeSyndromeAKR murine leukemia virusProvirusesMolecular Sequence DataCell LineCalicivirus, FelineHIV-1DNA, ViralCoronavirus, FelineVirus ReplicationLynxViral Envelope ProteinsLeukemia Virus, Gibbon ApeFeline panleukopenia virusPumaFeline PanleukopeniaBase SequenceRauscher VirusHIV InfectionsOncogenic VirusesFriend murine leukemia virusGenes, envGenes, ViralAntigens, ViralSimian immunodeficiency virusLionsGene Products, gagRNA, ViralAmino Acid SequenceRetroviridae ProteinsRetroviridae Proteins, OncogenicLeukemia, Myeloid, AcuteHIVAntibodies, ViralViral ProteinsDefective VirusesGene Products, envTerminal Repeat SequencesFeline Infectious PeritonitisGammaretrovirusRNA-Directed DNA PolymeraseFelisSimian Acquired Immunodeficiency SyndromeHylobatesAIDS-Related Opportunistic InfectionsGenes, polHuman T-lymphotropic virus 1MinkPolymerase Chain ReactionImmunologic Deficiency SyndromesAIDS-Related ComplexThymus NeoplasmsVirus IntegrationRepetitive Sequences, Nucleic AcidLymphomaNeutralization TestsViral InterferenceDeltaretrovirusRecombination, GeneticCell Transformation, ViralT-LymphocytesHelper VirusesSarcoma Virus, Woolly MonkeyCytopathogenic Effect, ViralAbelson murine leukemia virusLentivirus InfectionsLeukemia, Lymphocytic, Chronic, B-CellHomosexualitySevere Combined ImmunodeficiencyRNA VirusesCloning, MolecularGene Products, taxZidovudineLeukemia, LymphoidCells, CulturedRed-Cell Aplasia, PureSpecies SpecificityAnti-HIV AgentsGenetic VectorsHIV SeropositivityVirus AssemblyVaccinia virus