Haemophilus influenzaeHaemophilus InfectionsHaemophilusHaemophilus influenzae type bHaemophilus VaccinesMeningitis, HaemophilusHaemophilus ducreyiOtitis MediaChinchillaMoraxella (Branhamella) catarrhalisAmpicillinBacterial CapsulesAmpicillin ResistanceBacterial Outer Membrane ProteinsVaccines, ConjugatePolysaccharides, BacterialStreptococcus pneumoniaeHaemophilus parasuisMicrobial Sensitivity TestsHaemophilus parainfluenzaeAntibodies, BacterialDNA, BacterialAnti-Bacterial AgentsNasopharynxBacterial ProteinsTransformation, BacterialGenes, BacterialRespiratory Tract InfectionsAmoxicillin-Potassium Clavulanate CombinationVaccines, CombinedChancroidEpiglottitisbeta-LactamasesDiphtheria ToxoidCephalosporinsDiphtheria-Tetanus-Pertussis VaccineCefaclorHaemophilus somnusMolecular Sequence DataTetanus ToxoidEar, MiddleChloramphenicolMeningitis, BacterialPenicillin ResistanceMeningitisOropharynxPurpuraMoraxellaceae InfectionsBlood Bactericidal ActivityImmunization ScheduleBacterial AdhesionCefuroximeSerotypingOtitis Media with EffusionDrug Resistance, MicrobialCarrier StateTransferrin-Binding ProteinsPoliovirus Vaccine, InactivatedCounterimmunoelectrophoresisBacteriaPneumococcal InfectionsNeisseria meningitidisAntigens, BacterialTransformation, GeneticCulture MediaChloramphenicol ResistanceCefotaximeAzithromycinAdhesins, BacterialBacterial VaccinesKetolidesCefiximePharynxAmoxicillinLipopolysaccharidesFimbriae, BacterialAmino Acid SequenceErythromycinSputumConjunctivitis, BacterialTrimethoprimBase SequenceClavulanic AcidsPenicillin-Binding ProteinsNeisseriaceae InfectionsVaccinationBacterial Typing TechniquesPneumonia, BacterialBronchitisMeningitis, PneumococcalCefamandoleChild Day Care CentersAnti-Infective AgentsBacterial InfectionsDrug Resistance, BacterialEscherichia coliGram-Positive BacteriaPenicillinsGram-Negative BacteriaSulfamethoxazole