Immunologic MemoryMemoryAntigensMemory DisordersImmunization, SecondaryMemory, Short-TermAntigens, BacterialAntibody FormationAntigens, NeoplasmAntigens, ViralAntigens, SurfaceMemory, Long-TermVaccines, ConjugateB-LymphocytesImmunoglobulin GAntibodies, BacterialImmunizationMeningococcal VaccinesT-LymphocytesMemory, EpisodicImmunity, CellularLymphocyte ActivationAntibody-Producing CellsThoracic DuctMice, Inbred C57BLCD8-Positive T-LymphocytesCD4-Positive T-LymphocytesTetanus ToxoidSpleenMice, Inbred BALB CAntigens, ProtozoanHemolytic Plaque TechniqueVaccinationAntibody Affinitygamma-GlobulinsTime FactorsAntigens, Polyomavirus TransformingAntigens, CD27Enzyme-Linked Immunosorbent AssayHLA AntigensImmunity, Maternally-AcquiredAntigens, CDEpitopesMental RecallAntigens, FungalInterferon-gammaImmunoglobulin MHaemophilus influenzae type bPolysaccharides, BacterialAntigens, HelminthImmunization ScheduleH-2 AntigensHemocyaninAntibody SpecificityEpitopes, T-LymphocyteAdjuvants, ImmunologicAntibodies, ViralT-Lymphocyte SubsetsImmunity, InnateLymphocytesAntibodiesImmune ToleranceImmunization, PassiveCarcinoembryonic AntigenNeisseria meningitidisReceptors, Antigen, T-CellAntigens, Viral, TumorT-Lymphocytes, CytotoxicMice, Inbred StrainsHaptensHypersensitivity, DelayedHaemophilus VaccinesModels, ImmunologicalCells, CulturedFlow CytometryHLA-DR AntigensAdoptive TransferAntibodies, MonoclonalMice, TransgenicMaze LearningDendritic CellsNeuropsychological TestsImmunophenotypingHistocompatibility AntigensBacterial VaccinesGerminal CenterErythrocytesRetention (Psychology)Adaptive ImmunityRecognition (Psychology)Proliferating Cell Nuclear AntigenLymph NodesHistocompatibility Antigens Class IIMice, Inbred CBAReceptors, Antigen, B-CellDose-Response Relationship, ImmunologicThymus GlandProstate-Specific AntigenO AntigensHippocampus