Acquired Immunodeficiency SyndromeImmunodeficiency Virus, FelineMurine Acquired Immunodeficiency SyndromeSyndromeFeline Acquired Immunodeficiency SyndromeLeukemia Virus, FelineHIV-1HIV InfectionsSimian immunodeficiency virusCatsHIVSimian Acquired Immunodeficiency SyndromeVirus ReplicationCat DiseasesAIDS-Related Opportunistic InfectionsAIDS-Related ComplexImmunologic Deficiency SyndromesCalicivirus, FelineCoronavirus, FelineHomosexualityMolecular Sequence DataSevere Combined ImmunodeficiencyRNA, ViralRNA VirusesHIV SeropositivityAnti-HIV AgentsZidovudineVaccinia virusSarcoma Viruses, FelineCD4 Lymphocyte CountHIV AntibodiesDNA, ViralReceptors, VirusCell LineFeline PanleukopeniaPneumonia, PneumocystisCommon Variable Immunodeficiencytat Gene Products, Human Immunodeficiency VirusGene Products, gagFeline Infectious PeritonitisLymphoma, AIDS-RelatedViral LoadHIV-2Amino Acid SequenceFeline panleukopenia virusHIV Envelope Protein gp120Virus AssemblyRetroviridae InfectionsVirus CultivationAntiviral AgentsAntiretroviral Therapy, Highly ActiveDefective VirusesLentivirus InfectionsVirus SheddingDeltaretrovirusHIV Core Protein p24Neutralization TestsHIV AntigensCD4-Positive T-LymphocytesAntibodies, ViralPolymerase Chain ReactionAntigens, CD4Virus DiseasesSarcoma, KaposiAntigens, ViralGene Products, envT-LymphocytesLeukemia, FelineGenes, ViralReverse Transcriptase InhibitorsBase SequenceMacaca mulattaOpportunistic InfectionsCytomegalovirus RetinitisRNA-Directed DNA PolymeraseSimian virus 40VirionViral ProteinsProvirusesDown SyndromeCells, CulturedDNA VirusesMetabolic Syndrome XPlant VirusesGenes, envCytopathogenic Effect, Viralgag Gene Products, Human Immunodeficiency Virusnef Gene Products, Human Immunodeficiency VirusTime FactorsMeasles virusSindbis VirusRetroviridae ProteinsTumor Virus InfectionsToxoplasmosis, CerebralInfluenza A Virus, H1N1 SubtypeRetroviridaeReceptors, CCR5AIDS VaccinesHIV SeronegativityRabies virus