Airway ResistanceLungSendai virusRespirovirus InfectionsAntigens, CD11aAirway ObstructionPlethysmography, Whole BodyRespiratory MucosaLung ComplianceBronchoalveolar Lavage FluidImmunologic MemoryRespiratory MechanicsBronchoconstrictionAirway RemodelingLung Volume MeasurementsRespiratory Function TestsMice, Inbred C57BLDrug ResistanceBronchoconstrictor AgentsMethacholine ChlorideLung DiseasesBronchial HyperreactivityBronchiAsthmaCD8-Positive T-LymphocytesRespiratory SystemDrug Resistance, MicrobialDrug Resistance, BacterialEpithelial CellsPulmonary VentilationInhalationBronchial Provocation TestsLung NeoplasmsDrug Resistance, NeoplasmRhinomanometryFunctional Residual CapacityPlethysmographyNasal ObstructionSpirometryAir PressureHistamineBronchodilator AgentsRespiratory Physiological PhenomenaRespirationDrug Resistance, MultipleAdministration, InhalationForced Expiratory VolumeRhinometry, AcousticTidal VolumeDisease ResistanceNasal DecongestantsTotal Lung CapacityLung InjuryVascular ResistanceAerosolsNoseOscillometryRespiratory HypersensitivityAlbuterolIpratropiumPositive-Pressure RespirationLung Diseases, ObstructiveDrug Resistance, Multiple, BacterialDrug Resistance, ViralIntubation, IntratrachealLung TransplantationCarcinoma, Non-Small-Cell LungRespiratory MusclesBronchial SpasmEpiglottisNasal Provocation TestsNasal CavityAnti-Bacterial AgentsMaximal Expiratory Flow-Volume CurvesClemastineVital CapacityWork of BreathingMouth BreathingPharynxMuscle, SmoothAirway ManagementForced Expiratory Flow RatesPulmonary AlveoliThyroid CartilagePulmonary EmphysemaHeliumMicrobial Sensitivity TestsSnoringRespiration, ArtificialPneumoniaPulmonary Gas ExchangeGuinea PigsMucusMice, Inbred BALB CSleep Apnea SyndromesRespiratory SoundsNasal MucosaSleep Apnea, ObstructiveAcute Lung InjuryMethacholine Compounds