Statistics from the Centers for Disease Control and Prevention.
D000163:Acquired Immunodeficiency Syndrome / Q000453:epidemiology*; D000293:Adolescent; D000328:Adult; D002487:Centers for Disease Control and Prevention, U.S.; D002648:Child; D005260:Female; D006801:Humans; D008297:Male; D014481:United States / Q000453:epidemiology