Streptococcus pneumoniaeStreptococcusPneumococcal InfectionsKlebsiella pneumoniaeStreptococcus pyogenesStreptococcus mutansMycoplasma pneumoniaePneumonia, PneumococcalStreptococcal InfectionsStreptococcus agalactiaeBacterial ProteinsAnti-Bacterial AgentsMicrobial Sensitivity TestsPenicillin ResistanceNasopharynxStreptolysinsSerotypingMeningitis, PneumococcalStreptococcus mitisBacterial CapsulesPneumococcal VaccinesDrug Resistance, BacterialStreptococcus oralisPenicillinsStreptococcus suisFluoroquinolonesErythromycinAnti-Infective AgentsStreptococcus PhagesDNA, BacterialMacrolidesN-Acetylmuramoyl-L-alanine AmidaseDrug Resistance, MicrobialStreptococcus bovisOtitis MediaHaemophilus influenzaeAntibodies, BacterialKlebsiella InfectionsPneumonia, MycoplasmaKetolidesStreptococcus equiTransformation, BacterialCefotaximeCarrier StatePolysaccharides, BacterialGenes, BacterialMolecular Sequence DataMoraxella (Branhamella) catarrhalisLevofloxacinPenicillin-Binding ProteinsCeftriaxoneDNA Topoisomerase IVStreptococcus sobrinusAminoacyltransferasesOfloxacinRespiratory Tract InfectionsNaphthyridinesAntigens, BacterialBacteremiaMeningitis, BacterialCephalosporinsGram-Positive BacteriaPneumonia, BacterialStreptococcal VaccinesColony Count, MicrobialVaccines, ConjugateBacterial AdhesionVirulenceStreptococcus gordoniiChlamydophila InfectionsGene Expression Regulation, BacterialCommunity-Acquired InfectionsStreptococcus thermophilusAza CompoundsDrug Resistance, Multiple, BacterialDNA GyraseBacterial Typing TechniquesHexosyltransferasesSequence Analysis, DNAEnterococcus faecalisPolymerase Chain ReactionPeptidyl TransferasesElectrophoresis, Gel, Pulsed-FieldMuramoylpentapeptide CarboxypeptidaseBacteriaNasopharyngeal DiseasesCulture MediaQuinolonesCiprofloxacinHaemophilus InfectionsMutationPharynxAzithromycinAdhesins, BacterialAmino Acid SequenceOpsonin ProteinsChild Day Care CentersBacteriological TechniquesBase SequenceCephalosporin Resistance