title: Evolution of vaccine development. National Institutes of Allergy and Infectious Diseases.
mesh_terms: D002675:Child, Preschool; D002986:Clinical Trials as Topic; D003140:Communicable Disease Control; D006801:Humans; D007223:Infant; D009316:National Institutes of Health (U.S.); D014481:United States; D014612:Vaccines / Q000145:classification / Q000302:isolation & purification*
chemical_list: D014612:Vaccines