Immunodeficiency Virus, FelineFeline Acquired Immunodeficiency SyndromeCatsLentivirus InfectionsCat DiseasesLeukemia Virus, FelinePumaLionsLeukemia, FelineHIV-1Acquired Immunodeficiency SyndromeSimian immunodeficiency virusMolecular Sequence DataGenes, envFelidaeVirus ReplicationCalicivirus, FelineCoronavirus, FelineHIV InfectionsGene Products, gagReceptors, OX40Simian Acquired Immunodeficiency SyndromeGene Products, envGenes, gagAntibodies, ViralCell LineHIVProvirusesCD4-CD8 RatioAmino Acid SequenceRNA, ViralBase SequenceDNA, ViralRNA-Directed DNA PolymeraseAnimals, WildFeline PanleukopeniaSevere Combined ImmunodeficiencyReceptors, CXCR4Viral Envelope ProteinsSarcoma Viruses, FelineLeukocytes, MononuclearViral LoadZidovudineFeline Infectious PeritonitisSpecific Pathogen-Free OrganismsNeutralization TestsImmunologic Deficiency SyndromesGene Products, vifLynxViral VaccinesRetroviridae InfectionsFeline panleukopenia virusCD4-Positive T-LymphocytesAnti-HIV AgentsGiant CellsGenes, polReverse Transcriptase InhibitorsViremiaGenes, revtat Gene Products, Human Immunodeficiency VirusAntigens, CD4Polymerase Chain ReactionCommon Variable ImmunodeficiencyGene Products, polTropismDideoxynucleotidesGene Products, revPhylogenyHIV Envelope Protein gp120HIV ProteaseHIV-2Genome, ViralHIV AntibodiesCarnivoraRetroviridaeAIDS VaccinesT-LymphocytesLentivirusAntigens, ViralRetroviridae ProteinsTerminal Repeat SequencesVirus IntegrationCells, CulturedMacaca mulattaHIV Reverse TranscriptaseVirionReceptors, VirusHIV SeropositivityAntiviral AgentsFelisCD4 Lymphocyte CountInfectious Anemia Virus, EquineDNA PrimersHIV Core Protein p24nef Gene Products, Human Immunodeficiency VirusCytopathogenic Effect, ViralMutationGenetic Vectorsgag Gene Products, Human Immunodeficiency VirusAIDS-Related Opportunistic Infections