Nasal MucosaRespiratory MucosaAdenoidsMucous MembraneOlfactory MucosaMucociliary ClearanceRespiratory SystemMicroscopy, Electron, ScanningCultural CharacteristicsAdministration, IntranasalHaemophilus influenzaeOrgan Culture TechniquesIntestinal MucosaGastric MucosaMouth MucosaUrinary Tract InfectionsGastrointestinal TractUrinary TractRespiratory Tract InfectionsPyramidal TractsColonLaryngeal MucosaDigestive SystemDuodenumSweat Gland NeoplasmsIntestine, SmallStomachIleumGastritisEsophagusStomach UlcerImmunohistochemistryIntestinesReproductive Tract Infections