HIV prevalence in South Africa.
D000293:Adolescent; D000328:Adult; D017677:Age Distribution; D005260:Female; D015658:HIV Infections / Q000453:epidemiology*; D007722:Health Knowledge, Attitudes, Practice; D006801:Humans; D008297:Male; D015995:Prevalence; D012725:Sexual Behavior / Q000706:statistics & numerical data; D013019:South Africa / Q000453:epidemiology