title: Government cancels testing of experimental AIDS vaccine; large-scale study to be scaled back after similar drug failed.
mesh_terms: D016915:AIDS Vaccines / Q000276:immunology* / Q000627:therapeutic use*; D000163:Acquired Immunodeficiency Syndrome / Q000517:prevention & control*; D002986:Clinical Trials as Topic; D006801:Humans
chemical_list: D016915:AIDS Vaccines