Immunologic MemoryMemoryMemory DisordersMemory, Short-TermCD8-Positive T-LymphocytesMemory, Long-TermImmunization, SecondaryCD4-Positive T-LymphocytesMemory, EpisodicT-Lymphocyte SubsetsLymphocyte ActivationMice, Inbred C57BLT-LymphocytesAntibody FormationImmunophenotypingMental RecallB-LymphocytesVaccines, ConjugateAntigens, CD27Interferon-gammaImmunity, CellularImmunizationReceptors, CCR7Meningococcal VaccinesFlow CytometryTime FactorsAdoptive TransferEpitopes, T-LymphocyteImmunoglobulin GAntibodies, BacterialLymphocyte CountMaze LearningAntigens, CD45AntigensMice, TransgenicNeuropsychological TestsSpleenRetention (Psychology)Recognition (Psychology)Thoracic DuctMice, Inbred BALB CTetanus ToxoidVaccinationAntibody-Producing CellsCells, CulturedHippocampusMice, KnockoutCytokinesKv1.3 Potassium ChannelL-SelectinCytotoxicity, ImmunologicLearningCell DifferentiationT-Lymphocytes, CytotoxicImmunity, InnateHemolytic Plaque TechniqueAssociation LearningModels, Immunologicalgamma-GlobulinsAntibody AffinityInterleukin-7 Receptor alpha SubunitT-Lymphocytes, RegulatoryAdaptive ImmunityLymph NodesAmnesiaVerbal LearningImmunity, Maternally-AcquiredDendritic CellsFearAdjuvants, ImmunologicTh1 CellsInterleukin-15Haemophilus influenzae type bInterleukin-2Spatial BehaviorKiller Cells, NaturalReceptors, Antigen, T-CellImmunization ScheduleImmune ToleranceEnzyme-Linked Immunosorbent AssayCognitionCell ProliferationAvoidance LearningDisease Models, AnimalConditioning (Psychology)Reaction TimeAntigens, ViralHemocyaninReceptors, Interleukin-7Antigens, CD28Signal TransductionAntigens, BacterialDose-Response Relationship, ImmunologicGerminal CenterPolysaccharides, BacterialMagnetic Resonance ImagingNeisseria meningitidisImmunization, PassiveB-Lymphocyte SubsetsPhenotype