Pneumococcal InfectionsStreptococcus pneumoniaePneumonia, PneumococcalPneumococcal VaccinesRespiratory Tract InfectionsMeningitis, PneumococcalStreptolysinsVaccines, ConjugateBacteremiaAntibodies, BacterialNasopharynxSerotypingBacterial VaccinesPenicillin ResistancePolysaccharides, BacterialVaccinationAnti-Bacterial AgentsPhosphorylcholineAdministration, IntranasalLungBacterial ProteinsPenicillinsBacterial CapsulesOtitis MediaAntigens, BacterialCommunity-Acquired InfectionsSplenectomyMicrobial Sensitivity TestsComplement C4PneumoniaImmunoglobulin GInfant, NewbornMice, Inbred BALB CImmunizationCarrier StateAcute DiseaseVirus DiseasesOpsonin ProteinsAnemia, Sickle CellImmunization, PassiveMice, Inbred CBASepsisDrug Resistance, BacterialDisease SusceptibilityIncidenceParamyxoviridae InfectionsMice, Inbred C57BLProspective StudiesDrug Resistance, MicrobialMetapneumovirusRespiratory Syncytial Virus InfectionsRhinovirusComplement System ProteinsPopulation SurveillanceDisease Models, AnimalSeasonsVirusesTime FactorsCommon ColdPicornaviridae InfectionsRisk FactorsVirulencePhagocytosisPneumonia, MycoplasmaEnzyme-Linked Immunosorbent AssayAge FactorsMycoplasma pneumoniaeRespiratory Syncytial VirusesRespiratory Syncytial Virus, HumanInfluenza, HumanNasal Lavage FluidDNA, BacterialBronchitisHuman bocavirusAdenoviridae InfectionsMice, KnockoutCytokinesAdenovirus Infections, HumanSpleenPneumonia, ViralRespiratory Tract DiseasesRespirovirusWhooping CoughChlamydophila pneumoniaePneumonia, BacterialBronchiolitisBronchiolitis, ViralNasopharyngitisPharynxAir Pollution, IndoorRespirovirus InfectionsRespiratory SoundsBordetella pertussisBordetella bronchisepticaChild, HospitalizedTracheitisDiarrhea, InfantileBronchopneumoniaEnterovirus D, HumanMycoplasma pulmonis