title: Haemophilus influenzae serotype b vaccine failure: what is the significance of antibody levels?
authors: Lodewijk
authors: L
authors: Spanjaard
authors: Ger T
authors: GT
authors: Rijkers
mesh_terms: D000293:Adolescent; D000907:Antibodies, Bacterial / Q000097:blood*; D016667:Bacterial Capsules / Q000276:immunology*; D002648:Child; D002675:Child, Preschool; D006192:Haemophilus Infections / Q000276:immunology* / Q000517:prevention & control*; D018073:Haemophilus Vaccines / Q000276:immunology*; D006193:Haemophilus influenzae / Q000145:classification* / Q000276:immunology*; D006801:Humans; D007223:Infant; D006113:United Kingdom / Q000453:epidemiology; D018074:Vaccines, Conjugate / Q000276:immunology
chemical_list: D000907:Antibodies, Bacterial; D018073:Haemophilus Vaccines; C044237:Haemophilus influenzae type b polysaccharide vaccine; D018074:Vaccines, Conjugate