Streptococcus pneumoniaeStreptococcusPneumococcal InfectionsKlebsiella pneumoniaeStreptococcus pyogenesStreptococcus mutansMycoplasma pneumoniaePneumonia, PneumococcalStreptococcal InfectionsStreptococcus agalactiaeAnti-Bacterial AgentsBacterial ProteinsMicrobial Sensitivity TestsPenicillin ResistanceNasopharynxStreptolysinsSerotypingMeningitis, PneumococcalStreptococcus mitisBacterial CapsulesPneumococcal VaccinesDrug Resistance, BacterialPenicillinsStreptococcus oralisAnti-Infective AgentsFluoroquinolonesStreptococcus suisDNA, BacterialErythromycinStreptococcus PhagesMacrolidesDrug Resistance, MicrobialN-Acetylmuramoyl-L-alanine AmidaseStreptococcus bovisHaemophilus influenzaeOtitis MediaMolecular Sequence DataAntibodies, BacterialKlebsiella InfectionsPneumonia, MycoplasmaGenes, BacterialKetolidesTransformation, BacterialStreptococcus equiCefotaximePolysaccharides, BacterialCarrier StateMoraxella (Branhamella) catarrhalisCeftriaxonePenicillin-Binding ProteinsLevofloxacinRespiratory Tract InfectionsDNA Topoisomerase IVStreptococcus sobrinusGram-Positive BacteriaAntigens, BacterialAminoacyltransferasesOfloxacinNaphthyridinesBacteremiaCephalosporinsMeningitis, BacterialColony Count, MicrobialVirulenceBacteriaPneumonia, BacterialBacterial AdhesionSequence Analysis, DNAGene Expression Regulation, BacterialStreptococcal VaccinesVaccines, ConjugateStreptococcus gordoniiChlamydophila InfectionsPolymerase Chain ReactionBacterial Typing TechniquesCulture MediaCommunity-Acquired InfectionsDrug Resistance, Multiple, BacterialAza CompoundsStreptococcus thermophilusEnterococcus faecalisDNA GyraseMutationHexosyltransferasesAmino Acid SequenceBacteriological TechniquesPeptidyl TransferasesElectrophoresis, Gel, Pulsed-FieldBase SequenceMuramoylpentapeptide CarboxypeptidaseQuinolonesCiprofloxacinHaemophilus InfectionsNasopharyngeal DiseasesPharynxAdhesins, BacterialAzithromycinBacterial InfectionsOpsonin ProteinsBlood