title: Merck to launch vaccine trial.
mesh_terms: D016915:AIDS Vaccines / Q000235:genetics* / Q000276:immunology*; D018150:Avipoxvirus; D004279:DNA, Viral / Q000235:genetics*; D004345:Drug Industry; D018014:Gene Transfer Techniques; D015497:HIV-1 / Q000235:genetics*; D006801:Humans
chemical_list: D016915:AIDS Vaccines; D004279:DNA, Viral