I Blood-Group SystemLymphocytesVariant Surface Glycoproteins, TrypanosomaAntigens, BacterialTrypanosoma brucei bruceiLymphocyte ActivationAntigensT-LymphocytesSerotypingAntigens, SurfaceAntigens, NeoplasmT-Lymphocytes, CytotoxicAntigens, ViralMethicillin-Resistant Staphylococcus aureusB-LymphocytesAntigens, CDLymphocyte SubsetsLymphocyte CountCD4-Positive T-LymphocytesMolecular TypingStaphylococcal InfectionsCytotoxicity, ImmunologicAntigens, CD3Receptors, Antigen, T-CellAntibodies, MonoclonalCD8-Positive T-LymphocytesSpleenCells, CulturedHLA AntigensH-2 AntigensStaphylococcal Protein AFlow CytometryMice, Inbred BALB CEpitopesT-Lymphocyte SubsetsInterleukin-2Mice, Inbred C57BLAntigens, ProtozoanLymphocyte Culture Test, MixedHistocompatibility AntigensPhytohemagglutininsHLA-DR AntigensAntigens, Polyomavirus TransformingInterferon-gammaHLA-A2 AntigenImmunity, CellularReceptors, Antigen, B-CellMolecular Sequence DataCell LineAntigens, CD8Lymphocytes, Tumor-InfiltratingHistocompatibility Antigens Class IIAntigens, FungalClone CellsAntigens, CD4Antigens, CD45Concanavalin AHistocompatibility Antigens Class IAntigens, HelminthLeukocidinsCytotoxicity Tests, ImmunologicLeukocyte CountThymus GlandImmunoglobulin GLymph NodesAntigens, Differentiation, T-LymphocyteHLA-A AntigensTh1 CellsAmino Acid SequenceBacterial Typing TechniquesImmunophenotypingAntibody FormationCarcinoembryonic AntigenJurkat CellsReceptors, Antigen, T-Cell, alpha-betaDendritic CellsLymphocyte CooperationAntigens, DifferentiationTh2 CellsAntigens, Viral, TumorEnzyme-Linked Immunosorbent AssayKiller Cells, NaturalLymphocyte TransfusionElectrophoresis, Gel, Pulsed-FieldCytokinesAntigen-Presenting CellsFluorescent Antibody TechniqueImmunizationMitogensMice, Inbred StrainsMolecular EpidemiologyMembrane GlycoproteinsLymphocyte DepletionExotoxinsCross ReactionsRosette FormationImmunologic MemoryCarrier StateCell SeparationStaphylococcus aureus