title: Haemophilus influenzae declining among young?
authors.forename: C
authors.initials: C
authors.lastname: Marwick
mesh_terms: D001428:Bacterial Vaccines; D002675:Child, Preschool; D006192:Haemophilus Infections / Q000453:epidemiology* / Q000517:prevention & control; D006193:Haemophilus influenzae / Q000276:immunology; D006801:Humans; D007223:Infant; D014481:United States / Q000453:epidemiology
chemical_list: D001428:Bacterial Vaccines