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 InfectionsRetroviridaeSyndromeProvirusesAKR murine leukemia virusMolecular Sequence DataCell LineCalicivirus, FelineCoronavirus, FelineDNA, ViralHIV-1Virus ReplicationLynxViral Envelope ProteinsLeukemia Virus, Gibbon ApeFeline panleukopenia virusPumaFeline PanleukopeniaBase SequenceRauscher VirusHIV InfectionsOncogenic VirusesFriend murine leukemia virusGenes, envGenes, ViralAntigens, ViralSimian immunodeficiency virusLionsRNA, ViralGene Products, gagAmino Acid SequenceRetroviridae ProteinsRetroviridae Proteins, OncogenicLeukemia, Myeloid, AcuteHIVAntibodies, ViralViral ProteinsDefective VirusesGene Products, envTerminal Repeat SequencesFeline Infectious PeritonitisFelisGammaretrovirusRNA-Directed DNA PolymeraseSimian Acquired Immunodeficiency SyndromeHylobatesGenes, polAIDS-Related Opportunistic InfectionsHuman T-lymphotropic virus 1MinkPolymerase Chain ReactionImmunologic Deficiency SyndromesAIDS-Related ComplexThymus NeoplasmsVirus IntegrationRepetitive Sequences, Nucleic AcidLymphomaNeutralization TestsViral InterferenceDeltaretrovirusRecombination, GeneticCell Transformation, ViralT-LymphocytesHelper VirusesSarcoma Virus, Woolly MonkeyLentivirus InfectionsCytopathogenic Effect, ViralAbelson murine leukemia virusLeukemia, Lymphocytic, Chronic, B-CellHomosexualitySevere Combined ImmunodeficiencyCloning, MolecularRNA VirusesGene Products, taxZidovudineLeukemia, LymphoidCells, CulturedSpecies SpecificityRed-Cell Aplasia, PureAnti-HIV AgentsGenetic VectorsHIV SeropositivityVirus AssemblyViremia