AIDS surveillance in the Americas.
D000163:Acquired Immunodeficiency Syndrome / Q000453:epidemiology* / Q000517:prevention & control / Q000635:transmission; D000328:Adult; D000569:Americas / Q000453:epidemiology; D005260:Female; D006678:HIV / Q000302:isolation & purification; D006801:Humans; D008297:Male; D010175:Pan American Health Organization; D011159:Population Surveillance / Q000379:methods*; D012725:Sexual Behavior; D015819:Substance Abuse, Intravenous; D014944:World Health Organization