Counseling and antibody testing to prevent HIV infection.
D015492:AIDS Serodiagnosis; D000328:Adult; D004992:Ethics, Medical; D005260:Female; D006679:HIV Seropositivity / Q000453:epidemiology*; D006801:Humans; D007258:Informed Consent; D008297:Male; D014481:United States; D035141:Voluntary Programs