title: First large-scale U.S. trial of HIV vaccine begins soon.
mesh_terms: D016915:AIDS Vaccines / Q000627:therapeutic use*; D002986:Clinical Trials as Topic; D015483:HIV Antibodies / Q000096:biosynthesis*; D015658:HIV Infections / Q000517:prevention & control*; D006801:Humans; D013785:Thailand; D014481:United States
chemical_list: D016915:AIDS Vaccines; D015483:HIV Antibodies