title: Infectious diseases.
abstract: Unlike the initial H influenzae type b vaccine, which contained polysaccharide alone, the conjugate vaccines effectively induce immunity in infants as young as 2 months. Multidrug-resistant strains of S pneumoniae are emerging as important pathogens in the United States.
authors.affiliation: Cornell University Medical College, New York, NY.
authors.forename: M Y
authors.initials: MY
authors.lastname: Stoeckle
authors.forename: R G
authors.initials: RG
authors.lastname: Douglas
mesh_terms: D003140:Communicable Disease Control / Q000639:trends*; D003141:Communicable Diseases / Q000453:epidemiology; D006801:Humans; D014481:United States; D014612:Vaccines
chemical_list: D014612:Vaccines