CoughRespiratory Tract InfectionsRespiratory SystemWhooping CoughAntitussive AgentsRespiratory Tract DiseasesRespiratory Tract NeoplasmsRNA, AlgalUrinary Tract InfectionsMyelin and Lymphocyte-Associated Proteolipid ProteinsTracheaAnti-Bacterial AgentsLungParamyxoviridae InfectionsNasopharynxBronchitisRespiratory Syncytial Virus InfectionsRespiratory Syncytial VirusesMetapneumovirusAlgal ProteinsNasal MucosaGastrointestinal TractPhytophthoraMoraxella (Branhamella) catarrhalisCommon ColdUrinary TractAerosolsHaemophilus influenzaeSputumDNA, AlgalRespiratory SoundsVirus DiseasesBordetella InfectionsHuman bocavirusBronchiPneumoniaNoseAcute DiseaseStreptococcus pneumoniaeLarynxPneumonia, ViralCapsaicinPyramidal TractsBronchiolitisBordetella bronchisepticaBordetella pertussisRespiratory Syncytial Virus, HumanAdministration, InhalationAsthmaNasal CavityAdministration, IntranasalExpectorantsHaemophilus InfectionsNeisseriaceae InfectionsMicrofilament ProteinsBacterial InfectionsPharyngitisOrthomyxoviridae InfectionsInfant, NewbornBronchoalveolar Lavage FluidFerretsCitric AcidPharynxPneumonia, BacterialGlomerulosclerosis, Focal SegmentalCommunity-Acquired InfectionsPicornaviridae InfectionsRespirovirus InfectionsRhinovirusBordetella parapertussisMycoplasma pneumoniaeRespiratory MucosaInfluenza A virusMucusLung DiseasesBocavirusSinusitisGuaifenesinInfluenza, HumanProspective StudiesCodeineTime FactorsParainfluenza Virus 3, HumanBodily SecretionsOtitis MediaMolecular Sequence DataNasal Lavage FluidSeasonsReflexRespiration DisordersChronic DiseaseMycoplasma InfectionsBronchiectasisBronchoscopyBronchiolitis, ViralPneumonia, MycoplasmaMucociliary ClearanceParvoviridae InfectionsDrug UtilizationImmunoglobulin A