ImmunityImmunity, InnateImmunity, CellularAdaptive ImmunityImmunity, MucosalImmunity, HumoralPlant ImmunityImmunity, Maternally-AcquiredMice, Inbred C57BLMice, Inbred BALB CImmunity, HerdVaccinationT-LymphocytesDendritic CellsInterferon-gammaCD8-Positive T-LymphocytesAntibody FormationAntibodies, ViralLymphocyte ActivationCD4-Positive T-LymphocytesCytokinesSpleenImmunoglobulin GAdjuvants, ImmunologicMice, KnockoutHypersensitivity, DelayedVaccines, DNAImmunologic MemoryAntibodies, BacterialCancer VaccinesVaccines, SyntheticTh1 CellsViral VaccinesTime FactorsT-Lymphocytes, CytotoxicVaccines, AttenuatedVaccinesReceptors, Pattern RecognitionToll-Like ReceptorsQuestionnairesImmunization, SecondaryModels, ImmunologicalEnzyme-Linked Immunosorbent AssayRisk FactorsMacrophagesMolecular Sequence DataAdministration, IntranasalImmune SystemPrevalenceImmune ToleranceInterleukin-12Disease Models, AnimalAntigens, BacterialHost-Pathogen InteractionsCross-Sectional StudiesKiller Cells, NaturalSignal TransductionGreat BritainCells, CulturedImmunoglobulin AHealthy People ProgramsListeriosisImmunotherapyBacteriocinsB-LymphocytesT-Lymphocyte SubsetsHIV InfectionsMalariaFlow CytometryCytotoxicity, ImmunologicLymphocytesTh2 CellsVirus DiseasesInfluenza VaccinesLungOrthomyxoviridae InfectionsAntigen PresentationAntigens, NeoplasmAgingHealth Services for the AgedMice, Inbred C3HGenetic VectorsAntibodies, ProtozoanAmino Acid SequenceAntibodies, NeutralizingEpitopes, T-LymphocyteAntigens, ProtozoanInflammationEnglandProtozoan VaccinesNeoplasmsMelanoma, ExperimentalGeriatric AssessmentListeria monocytogenesNeutralization TestsAdoptive TransferMice, TransgenicCross ProtectionAntigensCross Reactions