title: Lessons from vaccine history.
mesh_terms: D002986:Clinical Trials as Topic / Q000639:trends*; D003140:Communicable Disease Control / Q000379:methods* / Q000639:trends; D015195:Drug Design; D049673:History, 20th Century; D049674:History, 21st Century; D006801:Humans; D014612:Vaccines / Q000266:history*
chemical_list: D014612:Vaccines