Streptococcus pneumoniaeStreptococcusPneumococcal InfectionsKlebsiella pneumoniaeStreptococcus pyogenesStreptococcus mutansMycoplasma pneumoniaePneumonia, PneumococcalAnti-Bacterial AgentsMicrobial Sensitivity TestsStreptococcal InfectionsStreptococcus agalactiaeBacterial ProteinsPenicillin ResistanceNasopharynxSerotypingStreptolysinsMeningitis, PneumococcalDrug Resistance, BacterialStreptococcus mitisPenicillinsBacterial CapsulesPneumococcal VaccinesErythromycinDrug Resistance, MicrobialAnti-Infective AgentsFluoroquinolonesStreptococcus oralisMacrolidesDNA, BacterialStreptococcus suisStreptococcus PhagesN-Acetylmuramoyl-L-alanine AmidaseOtitis MediaHaemophilus influenzaeStreptococcus bovisKlebsiella InfectionsCefotaximeAntibodies, BacterialGenes, BacterialKetolidesPneumonia, MycoplasmaMolecular Sequence DataTransformation, BacterialCeftriaxoneStreptococcus equiPenicillin-Binding ProteinsCephalosporinsPolysaccharides, BacterialLevofloxacinCarrier StateGram-Positive BacteriaMoraxella (Branhamella) catarrhalisOfloxacinBacteremiaBacteriaDNA Topoisomerase IVDrug Resistance, Multiple, BacterialStreptococcus sobrinusAminoacyltransferasesNaphthyridinesColony Count, MicrobialPneumonia, BacterialMeningitis, BacterialRespiratory Tract InfectionsAntigens, BacterialGene Expression Regulation, BacterialCommunity-Acquired InfectionsBacterial InfectionsVirulenceCiprofloxacinAntibiotic ProphylaxisBacterial AdhesionStreptococcal VaccinesAza CompoundsVaccines, ConjugateCulture MediaStreptococcus gordoniiChlamydophila InfectionsPeptidyl TransferasesEnterococcus faecalisHexosyltransferasesSequence Analysis, DNAbeta-LactamsBacterial Typing TechniquesDNA GyrasePolymerase Chain ReactionAzithromycinMuramoylpentapeptide CarboxypeptidaseStreptococcus thermophilusElectrophoresis, Gel, Pulsed-FieldMutationStaphylococcus aureusQuinolonesLactamsGram-Negative BacteriaEscherichia coliNasopharyngeal DiseasesPenicillin GHaemophilus Infections