One standard, not two.
D016915:AIDS Vaccines / Q000627:therapeutic use*; D002986:Clinical Trials as Topic / Q000941:ethics*; D003695:Delivery of Health Care / Q000941:ethics / Q000592:standards; D003906:Developing Countries / Q000706:statistics & numerical data*; D014943:Global Health; D015658:HIV Infections / Q000517:prevention & control; D006381:Helsinki Declaration; D006801:Humans; D007390:International Agencies / Q000458:organization & administration / Q000592:standards; D011050:Policy Making; D035842:Research Subjects; D012955:Societies, Medical / Q000458:organization & administration / Q000592:standards*
D016915:AIDS Vaccines