Nasal MucosaRespiratory MucosaAdenoidsMucous MembraneOlfactory MucosaMucociliary ClearanceRespiratory SystemMicroscopy, Electron, ScanningBacterial AdhesionAdministration, IntranasalHaemophilus influenzaeOrgan Culture TechniquesIntestinal MucosaGastric MucosaMouth MucosaUrinary Tract InfectionsGastrointestinal TractUrinary TractRespiratory Tract InfectionsPyramidal TractsColonLaryngeal MucosaDigestive SystemDuodenumGenitalia, FemaleIntestine, SmallStomachIleumGastritisEsophagusStomach UlcerImmunohistochemistryIntestinesReproductive Tract Infections