Streptococcus pneumoniaeStreptococcusPneumococcal InfectionsNeutrophilsKlebsiella pneumoniaeStreptococcus pyogenesStreptococcus mutansPneumonia, PneumococcalMycoplasma pneumoniaeStreptococcal InfectionsStreptococcus agalactiaeAnti-Bacterial AgentsBacterial ProteinsMicrobial Sensitivity TestsPenicillin ResistanceNasopharynxStreptolysinsSerotypingMeningitis, PneumococcalStreptococcus mitisBacterial CapsulesPneumococcal VaccinesDrug Resistance, BacterialStreptococcus oralisPenicillinsStreptococcus suisAnti-Infective AgentsErythromycinFluoroquinolonesStreptococcus PhagesDNA, BacterialMacrolidesNeutrophil InfiltrationN-Acetylmuramoyl-L-alanine AmidaseDrug Resistance, MicrobialStreptococcus bovisHaemophilus influenzaeOtitis MediaAntibodies, BacterialKlebsiella InfectionsPneumonia, MycoplasmaKetolidesMolecular Sequence DataStreptococcus equiTransformation, BacterialCefotaximePolysaccharides, BacterialCarrier StateGenes, BacterialMoraxella (Branhamella) catarrhalisLevofloxacinPenicillin-Binding ProteinsCeftriaxoneDNA Topoisomerase IVStreptococcus sobrinusRespiratory Tract InfectionsOfloxacinAminoacyltransferasesAntigens, BacterialPneumonia, BacterialNaphthyridinesBacteremiaMeningitis, BacterialCephalosporinsGram-Positive BacteriaColony Count, MicrobialBacterial AdhesionVirulenceStreptococcal VaccinesVaccines, ConjugatePhagocytosisStreptococcus gordoniiChlamydophila InfectionsGene Expression Regulation, BacterialCommunity-Acquired InfectionsAza CompoundsStreptococcus thermophilusOpsonin ProteinsDrug Resistance, Multiple, BacterialDNA GyrasePolymerase Chain ReactionBacterial Typing TechniquesHexosyltransferasesSequence Analysis, DNAEnterococcus faecalisPeptidyl TransferasesBacteriaElectrophoresis, Gel, Pulsed-FieldMuramoylpentapeptide CarboxypeptidaseCulture MediaN-Formylmethionine Leucyl-PhenylalanineAmino Acid SequenceNasopharyngeal DiseasesQuinolonesMutationCiprofloxacinHaemophilus InfectionsLungAdhesins, BacterialBase Sequence