Sexual transmission of human immunodeficiency virus.
D000163:Acquired Immunodeficiency Syndrome / Q000517:prevention & control / Q000635:transmission*; D003376:Counseling; D005260:Female; D005544:Forecasting; D049673:History, 20th Century; D006801:Humans; D008297:Male; D011634:Public Health; D012306:Risk; D012725:Sexual Behavior; D012749:Sexually Transmitted Diseases / Q000266:history