LymphocytesLymphocyte CountCD4 Lymphocyte CountLymphocyte ActivationLeukocyte CountCD4-Positive T-LymphocytesAntigens, CD3Antigens, CD34CD4-CD8 RatioLymphocyte SubsetsT-LymphocytesAntigens, CD8Antigens, CDHIV InfectionsB-LymphocytesLymphopeniaCD40 LigandCD8-Positive T-LymphocytesAntigens, CD38Antigens, CD40Antigens, CD28Flow CytometryAntigens, CD44Antigens, CD5Antigens, CD19ImmunophenotypingLymphocytosisLeukemia, Lymphocytic, Chronic, B-CellT-Lymphocyte SubsetsBlood Cell CountHIV-1Platelet CountAntigens, CD57Antigens, CD14Antigens, CD2Interleukin-2Antigens, CD80Hematopoietic Stem CellsViral LoadAntigens, CD95Antigens, CD1Cell CountCells, CulturedSpleenTime FactorsAcquired Immunodeficiency SyndromeAIDS-Related Opportunistic InfectionsAnti-HIV AgentsAntigens, Differentiation, T-LymphocyteAntigens, CD20Antigens, CD86Antigens, CD56Antiretroviral Therapy, Highly ActiveAntibodies, MonoclonalAntigens, CD18PhytohemagglutininsImmunity, CellularCytokinesLymphocyte Culture Test, MixedReceptors, Antigen, T-CellT-Lymphocytes, CytotoxicMice, Inbred C57BLLymphocytes, Tumor-InfiltratingAntigens, CD30Lymphocyte DepletionKiller Cells, NaturalInterferon-gammaThymus GlandCytotoxicity, ImmunologicImmunologic MemoryAntigens, CD43ApoptosisAntigens, CD24ImmunoglobulinsBone MarrowLymph NodesErythrocyte CountCell DivisionAntigens, CD7Mice, Inbred BALB CAntigens, CD36Leukemia, LymphoidLymphocyte TransfusionAntigens, CD9Antigens, CD11Antigens, DifferentiationRosette FormationHIV SeronegativityReceptors, Antigen, B-CellLeukemiaNeutrophilsHIV SeropositivityAntigens, CD4Retrospective StudiesConcanavalin ABiological MarkersAntigens, CD59Molecular Sequence DataMembrane GlycoproteinsCoculture Techniques