First Phase II AIDS vaccine trial begins in South Africa.
D016915:AIDS Vaccines / Q000009:adverse effects / Q000627:therapeutic use; D004311:Double-Blind Method; D015658:HIV Infections / Q000517:prevention & control; D006801:Humans; D010919:Placebos; D013019:South Africa
D016915:AIDS Vaccines; D010919:Placebos