Klebsiella pneumoniaeStreptococcus pneumoniaeMycoplasma pneumoniaeKlebsiella InfectionsPneumococcal InfectionsMicrobial Sensitivity TestsAnti-Bacterial AgentsPneumonia, Mycoplasmabeta-LactamasesBacterial ProteinsPenicillin ResistancePneumonia, PneumococcalDNA, BacterialDrug Resistance, BacterialSerotypingPenicillinsDrug Resistance, Multiple, BacterialStreptolysinsDrug Resistance, MicrobialSequence Analysis, DNAGenes, BacterialAnti-Infective AgentsFluoroquinolonesChlamydophila InfectionsCarbapenemsMeningitis, PneumococcalNasopharynxElectrophoresis, Gel, Pulsed-FieldBacterial CapsulesPlasmidsbeta-Lactam ResistanceMolecular Sequence DataBacterial Typing TechniquesCephalosporinsPolymerase Chain ReactionLiver Abscess, PyogenicN-Acetylmuramoyl-L-alanine Amidasebeta-LactamsLiver AbscessMacrolidesEscherichia coliVirulenceCross InfectionErythromycinCefotaximeSpecies SpecificityCeftriaxoneDNA FingerprintingAntibodies, BacterialAlgeriaKetolidesBacterial AdhesionColony Count, MicrobialGene Expression Regulation, BacterialMutationPneumonia, BacterialConjugation, GeneticLevofloxacinChlamydophila pneumoniaeCeftazidimeAza CompoundsOtitis MediaQuinolonesCephalosporin ResistanceOfloxacinGenome, BacterialAminoacyltransferasesDNA Topoisomerase IVCulture MediaEnterobacteriaceaeTransformation, BacterialNaphthyridinesAmino Acid SequenceCarrier StateAdhesins, BacterialBase SequenceHaemophilus influenzaePenicillin-Binding ProteinsKlebsiellaMoraxella (Branhamella) catarrhalisBacterial Outer Membrane ProteinsPhenotypeCiprofloxacinDNA GyrasePneumococcal VaccinesRNA, Ribosomal, 16SAntigens, BacterialRespiratory Tract InfectionsImipenemAmoxicillinGenotypeChlamydia InfectionsMultilocus Sequence TypingChild Day Care CentersHospitalsIsoelectric FocusingMolecular EpidemiologyStreptococcus PhagesSerum Bactericidal TestPolymorphism, Restriction Fragment Length