Infectious diseases.
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.
Stoeckle
M Y
MY
Cornell University Medical College, New York, NY.
Douglas
R G
RG
D003140:Communicable Disease Control / Q000639:trends*; D003141:Communicable Diseases / Q000453:epidemiology; D006801:Humans; D014481:United States; D014612:Vaccines
D014612:Vaccines