title: Safety trials for new vaccine.
mesh_terms: D016915:AIDS Vaccines / Q000494:pharmacology*; D000293:Adolescent; D000328:Adult; D017321:Clinical Trials, Phase I as Topic; D005260:Female; D015658:HIV Infections / Q000517:prevention & control; D018023:HIV Seronegativity; D006801:Humans; D008131:London; D008297:Male; D008875:Middle Aged; D013557:Switzerland
chemical_list: D016915:AIDS Vaccines