Haemophilus influenzaeHaemophilus InfectionsHaemophilusHaemophilus influenzae type bHaemophilus VaccinesHaemophilus ducreyiMeningitis, HaemophilusHaemophilus parasuisOtitis MediaChinchillaMoraxella (Branhamella) catarrhalisAmpicillinHaemophilus parainfluenzaeBacterial CapsulesAmpicillin ResistanceBacterial Outer Membrane ProteinsChancroidVaccines, ConjugatePolysaccharides, BacterialStreptococcus pneumoniaeMicrobial Sensitivity TestsAntibodies, BacterialDNA, BacterialHaemophilus somnusAnti-Bacterial AgentsBacterial ProteinsTransformation, BacterialGenes, BacterialRespiratory Tract InfectionsAmoxicillin-Potassium Clavulanate CombinationVaccines, CombinedNasopharynxEpiglottitisbeta-LactamasesDiphtheria ToxoidEar, MiddleCephalosporinsMolecular Sequence DataDiphtheria-Tetanus-Pertussis VaccineCefaclorTetanus ToxoidChloramphenicolPenicillin ResistanceMeningitis, BacterialMeningitisOropharynxBlood Bactericidal ActivityMoraxellaceae InfectionsBacterial AdhesionDrug Resistance, MicrobialSerotypingImmunization ScheduleCefuroximeCarrier StateBacteriaOtitis Media with EffusionAntigens, BacterialTransferrin-Binding ProteinsCounterimmunoelectrophoresisPoliovirus Vaccine, InactivatedCulture MediaNeisseria meningitidisPneumococcal InfectionsTransformation, GeneticPurpuraCefotaximeBacterial VaccinesChloramphenicol ResistanceAdhesins, BacterialLipopolysaccharidesAzithromycinAmino Acid SequenceKetolidesPharynxAmoxicillinErythromycinCefiximeFimbriae, BacterialSputumConjunctivitis, BacterialBase SequenceActinobacillusTrimethoprimVaccinationBacterial Typing TechniquesClavulanic AcidsPenicillin-Binding ProteinsNeisseriaceae InfectionsBronchitisPneumonia, BacterialHaemophilus paragallinarumCefamandoleMeningitis, PneumococcalAnti-Infective AgentsBacterial InfectionsDrug Resistance, BacterialChild Day Care CentersBacteriological TechniquesEscherichia coliPasteurellaceae