title: Hib vaccine efficacy trials continue; data needed about use in younger children.
authors.forename: C
authors.initials: C
authors.lastname: Marwick
mesh_terms: D000367:Age Factors; D000413:Alaska; D000907:Antibodies, Bacterial / Q000096:biosynthesis; D001428:Bacterial Vaccines / Q000276:immunology*; D002675:Child, Preschool; D002986:Clinical Trials as Topic; D005387:Finland; D006193:Haemophilus influenzae; D006801:Humans; D007223:Infant
chemical_list: D000907:Antibodies, Bacterial; D001428:Bacterial Vaccines