Administration, IntranasalAbsorptionIntestinal AbsorptionAdministration, OralBiological AvailabilityNasal MucosaInjections, IntravenousMice, Inbred BALB CSkin AbsorptionTime FactorsDose-Response Relationship, DrugLungDrug Administration RoutesDisease Models, AnimalRats, Sprague-DawleyInjections, IntramuscularDrug Administration ScheduleImmunity, MucosalMice, Inbred C57BLJejunumSpectrophotometry, AtomicX-Ray Absorption SpectroscopyUnited States Food and Drug AdministrationRats, WistarInjections, IntraperitonealInjections, SubcutaneousImmunizationAdjuvants, ImmunologicNasal CavityIntestine, SmallArea Under CurveLiverAdministration, RectalCross-Over StudiesSpectrophotometryIronHalf-LifeIntestinesTissue DistributionFecesNoseOrthomyxoviridae InfectionsSpectrum AnalysisImmunoglobulin AAdministration, CutaneousDouble-Blind MethodVaccinationImmunoglobulin GNasal SpraysIron RadioisotopesZincZinc RadioisotopesDrug InteractionsAdministration, TopicalDuodenumCholera ToxinKineticsVaccines, AttenuatedVaccines, SyntheticAntibodies, ViralDogsIntestinal MucosaAntibodies, BacterialPhytic AcidRabbitsChromatography, High Pressure LiquidRats, Inbred StrainsImmunoglobulin A, SecretoryBody WeightIleumAdministration, InhalationBacterial VaccinesBrainZinc IsotopesSpectrophotometry, UltravioletSpleenVaccines, InactivatedAerosolsRhinitis, Allergic, PerennialInfluenza VaccinesOvalbuminAdministration, BuccalCaco-2 CellsRecombinant ProteinsAdministration, SublingualMice, KnockoutBiological TransportInfusions, IntravenousDietMalabsorption SyndromesCytokinesRandom AllocationHydrogen-Ion ConcentrationWaterStreptococcal VaccinesMidazolamKidneyLymphSwineSitosterols