Respiratory Syncytial Virus InfectionsRespiratory Syncytial VirusesRespiratory Syncytial Virus, HumanRespirovirus InfectionsRespiratory Syncytial Virus, BovineRespiratory Syncytial Virus VaccinesBronchiolitis, ViralListeria monocytogenesListeriaBronchiolitisHN ProteinRespiratory Tract InfectionsNasopharynxSigmodontinaePneumonia, ViralAntibodies, ViralLungAntigens, ViralVirus ReplicationMice, Inbred BALB CViral Fusion ProteinsMetapneumovirusNasal Lavage FluidViral ProteinsInfant, NewbornBronchopneumoniaAntiviral AgentsAlcian BluePeriodic Acid-Schiff ReactionViral Envelope ProteinsNoseArvicolinaeRibavirinNeutralization TestsNasal MucosaCattle DiseasesCell LineVirus DiseasesSeasonsParamyxoviridae InfectionsListeriosisImmunoglobulins, IntravenousCytokinesFluorescent Antibody TechniqueEnzyme-Linked Immunosorbent AssayAerosolsBronchoalveolar Lavage FluidInfluenza, HumanImmunoglobulin GRespiratory SoundsEpithelial CellsInterferon-gammaHospitalizationParainfluenza Virus 3, HumanAntibodies, MonoclonalRespiratory SystemViral LoadMucusVaccinia virusRNA, ViralDisease Models, AnimalVirus CultivationRNA VirusesTime FactorsCattleCD8-Positive T-LymphocytesVero CellsMolecular Sequence DataReverse Transcriptase Polymerase Chain ReactionRespiratory MucosaAcute DiseaseBronchial HyperreactivityImmunization, PassiveSpecific Pathogen-Free OrganismsImmunoglobulin ACells, CulturedTh2 CellsCercopithecus aethiopsInterleukin-13RespirovirusChemokinesMurine pneumonia virusViral VaccinesOrthomyxoviridaeVirusesBronchiRNA, MessengerVirus SheddingViral Plaque AssayAntibodies, Monoclonal, HumanizedMice, Inbred C57BLCytopathogenic Effect, ViralParainfluenza Virus 3, BovineMeningitis, ListeriaPneumovirus InfectionsAmino Acid SequenceCD4-Positive T-LymphocytesSeverity of Illness IndexInfluenza A Virus, H1N1 SubtypeGene Expression Regulation