Streptococcus pneumoniaePneumococcal InfectionsTransformation, GeneticDeoxyribonucleasesKlebsiella pneumoniaeStreptococcusDNA, BacterialMycoplasma pneumoniaeTritiumStreptococcus pyogenesPneumonia, PneumococcalStreptococcus mutansAnti-Bacterial AgentsMicrobial Sensitivity TestsBacterial ProteinsStreptococcal InfectionsNeisseriaDrug Resistance, MicrobialNasopharynxMoraxellaPenicillin ResistanceStreptococcus agalactiaeStreptolysinsSerotypingMeningitis, PneumococcalKlebsiella InfectionsBacteriaPneumonia, MycoplasmaNeisseria meningitidisBacterial CapsulesCulture MediaStreptococcus mitisBacteriological TechniquesNeisseria gonorrhoeaeDrug Resistance, BacterialPneumococcal VaccinesPenicillinsFluoroquinolonesAnti-Infective AgentsErythromycinStreptococcus oralisGonorrheaMacrolidesChlamydophila InfectionsStreptococcus suisStreptococcus PhagesAntibodies, BacterialN-Acetylmuramoyl-L-alanine AmidaseMutationHaemophilus influenzaeOtitis MediaKetolidesGenes, BacterialCefotaximeCarbon IsotopesTransformation, BacterialStreptococcus bovisMolecular Sequence DataCarrier StatePolysaccharides, BacterialMoraxella (Branhamella) catarrhalisLevofloxacinPneumonia, BacterialRespiratory Tract InfectionsCeftriaxonePenicillin-Binding ProteinsDNA Topoisomerase IVOfloxacinStreptococcus equiCephalosporinsNaphthyridinesBacteremiaAminoacyltransferasesAntigens, BacterialMeningitis, BacterialDrug Resistance, Multiple, BacterialGram-Positive BacteriaColony Count, MicrobialCommunity-Acquired InfectionsBacterial AdhesionPolymerase Chain ReactionStreptococcus sobrinusVirulenceVaccines, ConjugateGene Expression Regulation, BacterialAza CompoundsStreptococcal VaccinesSequence Analysis, DNAElectrophoresis, Gel, Pulsed-FieldDNA GyraseBacterial Typing Techniquesbeta-LactamasesQuinolonesHexosyltransferasesAzithromycinPeptidyl TransferasesCiprofloxacinStreptococcus gordoniiNasopharyngeal DiseasesMuramoylpentapeptide Carboxypeptidase