Haemophilus influenzaeHaemophilus InfectionsHaemophilusHaemophilus influenzae type bHaemophilus VaccinesMeningitis, HaemophilusHaemophilus ducreyiOtitis MediaChinchillaMoraxella (Branhamella) catarrhalisAmpicillinBacterial CapsulesBacterial Outer Membrane ProteinsAmpicillin ResistanceMicrobial Sensitivity TestsPolysaccharides, BacterialStreptococcus pneumoniaeVaccines, ConjugateDNA, BacterialHaemophilus parasuisAnti-Bacterial AgentsAntibodies, BacterialHaemophilus parainfluenzaeGenes, BacterialBacterial ProteinsNasopharynxTransformation, BacterialRespiratory Tract InfectionsAmoxicillin-Potassium Clavulanate CombinationMolecular Sequence DataVaccines, Combinedbeta-LactamasesChancroidSerotypingEpiglottitisCephalosporinsDrug Resistance, MicrobialPenicillin ResistanceDiphtheria ToxoidChloramphenicolCefaclorBacterial AdhesionDiphtheria-Tetanus-Pertussis VaccineCulture MediaHaemophilus somnusMeningitis, BacterialBacterial Typing TechniquesEar, MiddleTetanus ToxoidBlood Bactericidal ActivityMeningitisOropharynxAntigens, BacterialSpecies SpecificityMoraxellaceae InfectionsPurpuraBacteriaEscherichia coliAmino Acid SequenceCarrier StateTransformation, GeneticCefuroximeSequence Analysis, DNAImmunization ScheduleNeisseria meningitidisVirulenceOtitis Media with EffusionTransferrin-Binding ProteinsPneumococcal InfectionsPoliovirus Vaccine, InactivatedCounterimmunoelectrophoresisMutationAdhesins, BacterialBacterial VaccinesFimbriae, BacterialCefotaximeChloramphenicol ResistanceBase SequenceErythromycinLipopolysaccharidesDrug Resistance, BacterialAzithromycinCloning, MolecularPharynxKetolidesCefiximeSputumTrimethoprimPenicillin-Binding ProteinsConjunctivitis, BacterialPlasmidsVaccinationAmoxicillinAnti-Infective AgentsClavulanic AcidsNeisseriaceae InfectionsPolymerase Chain ReactionPneumonia, BacterialBacteriological TechniquesPenicillins