Immunologic MemoryMemoryMemory DisordersImmunization, SecondaryMemory, Short-TermAntibody FormationMemory, Long-TermVaccines, ConjugateMemory, EpisodicMeningococcal VaccinesB-LymphocytesImmunizationCD8-Positive T-LymphocytesImmunity, CellularAntibodies, BacterialT-LymphocytesImmunoglobulin GMice, Inbred C57BLLymphocyte ActivationCD4-Positive T-LymphocytesThoracic DuctTetanus ToxoidAntibody-Producing CellsAntigensSpleenHemolytic Plaque TechniqueTime Factorsgamma-GlobulinsVaccinationT-Lymphocyte SubsetsAntibody AffinityAntigens, CD27Mental RecallImmunity, Maternally-AcquiredInterferon-gammaHaemophilus influenzae type bImmunity, InnateImmunization ScheduleAdoptive TransferEpitopes, T-LymphocyteMice, TransgenicHemocyaninNeisseria meningitidisMice, Inbred BALB CPolysaccharides, BacterialAdjuvants, ImmunologicImmunization, PassiveHaemophilus VaccinesModels, ImmunologicalMaze LearningCytotoxicity, ImmunologicMice, KnockoutT-Lymphocytes, CytotoxicNeuropsychological TestsImmunophenotypingAdaptive ImmunityImmune ToleranceCells, CulturedRetention (Psychology)Recognition (Psychology)Immunoglobulin MGerminal CenterLymphocytesFlow CytometryLymphocyte CountHippocampusHaptensEnzyme-Linked Immunosorbent AssayAntibodies, ViralCytokinesAntigens, BacterialMice, Inbred StrainsB-Lymphocyte SubsetsAntibodiesLearningHypersensitivity, DelayedLymph NodesImmunotherapyPneumococcal VaccinesKiller Cells, NaturalMice, Inbred CBADendritic CellsErythrocytesCell DifferentiationMeningococcal InfectionsDose-Response Relationship, ImmunologicBacterial VaccinesAssociation LearningThymus GlandTh1 CellsSheepDisease Models, AnimalAmnesiaVerbal LearningFearPlasma CellsSignal TransductionSpatial BehaviorAntibody SpecificityAdministration, Oral