LymphocytesLymphocyte CountCD4 Lymphocyte CountAntigensLeukocyte CountLymphocyte ActivationAntigens, BacterialAntigens, SurfaceAntigens, NeoplasmT-LymphocytesLymphocyte SubsetsAntigens, ViralLymphopeniaB-LymphocytesHIV InfectionsAntigens, CDCD4-Positive T-LymphocytesLymphocytosisAntibodies, MonoclonalPlatelet CountFlow CytometryBlood Cell CountHLA AntigensReceptors, Antigen, B-CellAntigens, ProtozoanAntigens, CD3SpleenCD4-CD8 RatioAntigens, Polyomavirus TransformingCD8-Positive T-LymphocytesH-2 AntigensReceptors, Antigen, T-CellCell CountImmunity, CellularAcquired Immunodeficiency SyndromeAIDS-Related Opportunistic InfectionsAntigens, FungalViral LoadAnti-HIV AgentsTime FactorsImmunoglobulin GAntigens, CD45HIV-1Antigens, HelminthT-Lymphocytes, CytotoxicCells, CulturedLymphocyte Culture Test, MixedHistocompatibility AntigensMice, Inbred BALB CPhytohemagglutininsHLA-DR AntigensEpitopesT-Lymphocyte SubsetsImmunophenotypingInterleukin-2Antiretroviral Therapy, Highly ActiveLeukemia, Lymphocytic, Chronic, B-CellCytotoxicity, ImmunologicImmunoglobulinsAntigens, CD4Histocompatibility Antigens Class IICarcinoembryonic AntigenEnzyme-Linked Immunosorbent AssayLymphocytes, Tumor-InfiltratingMice, Inbred C57BLLeukemia, LymphoidAntigens, Viral, TumorLymph NodesInterferon-gammaMolecular Sequence DataImmunoglobulin MHypersensitivity, DelayedCell LineThymus GlandRosette FormationHLA-A2 AntigenKiller Cells, NaturalLymphocyte DepletionAntigens, CD8Erythrocyte CountConcanavalin AAntibody FormationLymphocyte TransfusionProliferating Cell Nuclear AntigenRetrospective StudiesHIV SeronegativityFluorescent Antibody TechniqueNeutrophilsProspective StudiesLectinsHistocompatibility Antigens Class IBiological MarkersHIV SeropositivityCytokinesPrognosisLeukocytesProstate-Specific AntigenSkin TestsCross ReactionsO Antigens