StreptococcusStreptococcus pneumoniaeStreptococcus pyogenesStreptococcal InfectionsPeriodontal AbscessPharyngitisPharynxPneumococcal InfectionsKlebsiella pneumoniaeStreptococcus mutansMycoplasma pneumoniaeAnemia, HemolyticPneumonia, PneumococcalStreptococcus agalactiaeBacterial ProteinsAnti-Bacterial AgentsStreptolysinsMicrobial Sensitivity TestsPenicillin ResistanceNasopharynxSerotypingMeningitis, PneumococcalAnemia, Hemolytic, AutoimmuneStreptococcus mitisBacterial CapsulesPneumococcal VaccinesDrug Resistance, BacterialStreptococcus oralisPenicillinsAnti-Infective AgentsStreptococcus suisHemolysisFluoroquinolonesErythromycinDNA, BacterialStreptococcus PhagesMacrolidesN-Acetylmuramoyl-L-alanine AmidaseHemolytic AgentsMolecular Sequence DataDrug Resistance, MicrobialStreptococcus bovisOtitis MediaHaemophilus influenzaeAntibodies, BacterialKlebsiella InfectionsPneumonia, MycoplasmaAnemia, Hemolytic, CongenitalKetolidesGenes, BacterialStreptococcus equiTransformation, BacterialPolysaccharides, BacterialCefotaximeCarrier StateMoraxella (Branhamella) catarrhalisLevofloxacinPenicillin-Binding ProteinsCeftriaxoneDNA Topoisomerase IVStreptococcus sobrinusAminoacyltransferasesOfloxacinRespiratory Tract InfectionsNaphthyridinesAntigens, BacterialGram-Positive BacteriaVirulenceBacteremiaCephalosporinsMeningitis, BacterialBase SequenceBacterial AdhesionPneumonia, BacterialMutationStreptococcal VaccinesColony Count, MicrobialPolymerase Chain ReactionAmino Acid SequenceVaccines, ConjugateGene Expression Regulation, BacterialStreptococcus gordoniiChlamydophila InfectionsSequence Analysis, DNACommunity-Acquired InfectionsAza CompoundsStreptococcus thermophilusDrug Resistance, Multiple, BacterialHemolytic-Uremic SyndromeBacterial Typing TechniquesDNA GyraseEnterococcus faecalisHexosyltransferasesCulture MediaBacteriaElectrophoresis, Gel, Pulsed-FieldPeptidyl TransferasesMuramoylpentapeptide CarboxypeptidaseNasopharyngeal DiseasesQuinolones