EpiglottitisHaemophilus influenzaeHaemophilus influenzae type bHaemophilus InfectionsHaemophilus VaccinesMeningitis, HaemophilusEpiglottisLaryngitisVaccines, ConjugateBacterial CapsulesPolysaccharides, BacterialHaemophilusVaccines, CombinedAntibodies, BacterialDiphtheria-Tetanus-Pertussis VaccineDiphtheria ToxoidTetanus ToxoidImmunization SchedulePoliovirus Vaccine, InactivatedBacterial Outer Membrane ProteinsCounterimmunoelectrophoresisDiphtheria-Tetanus-acellular Pertussis VaccinesCroupAmpicillinMeningitisVaccinationBacterial VaccinesMeningitis, BacterialHepatitis B VaccinesAntigens, BacterialStreptococcus pneumoniaeImmunization, SecondaryNasopharynxHaemophilus ducreyiLaryngeal EdemaOropharynxNeisseria meningitidisLatex Fixation TestsLaryngoscopyBlood Bactericidal ActivityCarrier StateTransferrin-Binding ProteinsCeftriaxonePentosephosphatesPolysaccharidesPharynxFimbriae, BacterialMeningitis, PneumococcalImmunoglobulin GMeningitis, MeningococcalAntibody AffinityAlaskaOtitis MediaMeningococcal VaccinesImmunization ProgramsCerebrospinal FluidNeisseria meningitidis, Serogroup CGenes, BacterialBacterial ProteinsSepsisDNA, BacterialMicrobial Sensitivity TestsCross ReactionsTetanusPertussis VaccineImmunizationChinchillaAnti-Bacterial AgentsInfant, NewbornMoraxella (Branhamella) catarrhalisPneumococcal VaccinesChloramphenicolAmpicillin ResistancePenicillin ResistanceSerotypingAgglutination TestsLipopolysaccharidesMolecular Sequence DataPanophthalmitisChild Day Care CentersTransformation, BacterialAntibody FormationDiphtheriaCefotaximeClostridium tetaniBacterial AdhesionConvalescenceAcute DiseaseAirway ObstructionPneumococcal InfectionsHemopexinVaccinesEnzyme-Linked Immunosorbent AssayPorinsIncidenceDiphtheria ToxinHaemophilus parasuisAmino Acid SequenceImmunoglobulin IsotypesImmunoglobulin Allotypes