Why AIDS campaigns are not working.
D000163:Acquired Immunodeficiency Syndrome / Q000208:ethnology / Q000517:prevention & control*; D001741:Black or African American / Q000523:psychology*; D044383:Black People; D005260:Female; D006266:Health Education; D006801:Humans; D008297:Male; D012725:Sexual Behavior; D013019:South Africa