Streptococcus pneumoniaeStreptococcusStreptococcus pyogenesStreptococcal InfectionsPeriodontal AbscessPharyngitisPneumococcal InfectionsPharynxKlebsiella pneumoniaePneumonia, PneumococcalStreptococcus mutansPenicillin ResistanceMycoplasma pneumoniaeAnemia, HemolyticNasopharynxStreptolysinsAnti-Bacterial AgentsSerotypingBacterial ProteinsMicrobial Sensitivity TestsMeningitis, PneumococcalStreptococcus agalactiaePneumococcal VaccinesBacterial CapsulesStreptococcus mitisPenicillinsAnemia, Hemolytic, AutoimmuneDrug Resistance, BacterialErythromycinAnti-Infective AgentsFluoroquinolonesStreptococcus oralisDNA, BacterialMacrolidesDrug Resistance, MicrobialN-Acetylmuramoyl-L-alanine AmidaseStreptococcus suisCarrier StateStreptococcus PhagesHemolysisOtitis MediaAntibodies, BacterialPolysaccharides, BacterialHaemophilus influenzaeMolecular Sequence DataKetolidesHemolytic AgentsCefotaximeStreptococcus bovisNasopharyngeal DiseasesGenes, BacterialTransformation, BacterialLevofloxacinCeftriaxonePenicillin-Binding ProteinsNaphthyridinesKlebsiella InfectionsPneumonia, MycoplasmaVaccines, ConjugateOfloxacinMoraxella (Branhamella) catarrhalisAnemia, Hemolytic, CongenitalCephalosporinsRespiratory Tract InfectionsStreptococcus equiBacteremiaAminoacyltransferasesGram-Positive BacteriaDNA Topoisomerase IVAntigens, BacterialMeningitis, BacterialVirulenceBacterial AdhesionColony Count, MicrobialMutationStreptococcus sobrinusBacterial Typing TechniquesChild Day Care CentersAza CompoundsHexosyltransferasesGene Expression Regulation, BacterialPneumonia, BacterialBase SequenceOpsonin ProteinsDrug Resistance, Multiple, BacterialCommunity-Acquired InfectionsAmino Acid SequencePolymerase Chain ReactionPeptidyl TransferasesSequence Analysis, DNAMuramoylpentapeptide CarboxypeptidaseCulture MediaQuinolonesElectrophoresis, Gel, Pulsed-FieldStreptococcal VaccinesStreptococcus gordoniiDNA GyraseLactamsBacteriaEnterococcus faecalis