title: Vaccine against three kinds of HIV begins human tests.
mesh_terms: D016915:AIDS Vaccines / Q000627:therapeutic use*; D018849:Controlled Clinical Trials as Topic; D006678:HIV / Q000145:classification*; D015658:HIV Infections / Q000517:prevention & control* / Q000821:virology; D006801:Humans; D018579:Patient Selection; D010919:Placebos
chemical_list: D016915:AIDS Vaccines; D010919:Placebos