Acquired Immunodeficiency SyndromeImmunodeficiency Virus, FelineMurine Acquired Immunodeficiency SyndromeSyndromeFeline Acquired Immunodeficiency SyndromeHIV-1Leukemia Virus, FelineHIV InfectionsCatsSimian immunodeficiency virusHIVAIDS-Related Opportunistic InfectionsCat DiseasesSimian Acquired Immunodeficiency SyndromeAIDS-Related ComplexImmunologic Deficiency SyndromesVirulenceMolecular Sequence DataCalicivirus, FelineCoronavirus, FelineHomosexualitySevere Combined ImmunodeficiencyMycosesHIV SeropositivityZidovudineGram-Negative Bacterial InfectionsAnti-HIV AgentsFeline PanleukopeniaVirus ReplicationAnti-Bacterial AgentsPolymerase Chain ReactionSarcoma Viruses, FelineCD4 Lymphocyte CountCommon Variable ImmunodeficiencyPneumonia, PneumocystisFeline Infectious PeritonitisHIV AntibodiesLymphoma, AIDS-RelatedBacterial ProteinsCross Infectiontat Gene Products, Human Immunodeficiency VirusFeline panleukopenia virusHIV AntigensGram-Positive Bacterial InfectionsAntiretroviral Therapy, Highly ActiveVirulence FactorsHIV-2Gene Products, gagRNA, ViralSequence Analysis, DNADeltaretrovirusBacteremiaLentivirus InfectionsPhylogenyHIV Envelope Protein gp120DNA, ViralBiofilmsRetroviridae InfectionsBacterial Typing TechniquesCell LineSarcoma, KaposiViral LoadBase SequenceMacaca mulattaLeukemia, FelineHIV Core Protein p24Cytomegalovirus RetinitisOpportunistic InfectionsAmino Acid SequenceAntigens, CD4CD4-Positive T-LymphocytesDown SyndromeMetabolic Syndrome XMicrobial Sensitivity TestsReverse Transcriptase InhibitorsT-LymphocytesStaphylococcal InfectionsStaphylococcus aureusRetroviridae ProteinsGene Products, envAntibodies, ViralToxoplasmosis, CerebralMutationHIV Reverse TranscriptaseDNA, BacterialProvirusesAntiviral AgentsRNA-Directed DNA Polymerasenef Gene Products, Human Immunodeficiency VirusLymphatic DiseasesHIV SeronegativityAIDS SerodiagnosisDidanosineGene Expression Regulation, BacterialGenes, envgag Gene Products, Human Immunodeficiency VirusFatal OutcomeSubstance Abuse, IntravenousReceptors, CCR5AIDS Dementia Complex