The epidemiology of the acquired immunodeficiency syndrome.
D000163:Acquired Immunodeficiency Syndrome / Q000453:epidemiology* / Q000517:prevention & control / Q000635:transmission; D000328:Adult; D002140:California; D005845:Georgia; D006716:Homosexuality; D006801:Humans; D008297:Male; D008875:Middle Aged; D009518:New York; D011020:Pneumonia, Pneumocystis / Q000453:epidemiology / Q000517:prevention & control; D012306:Risk; D012514:Sarcoma, Kaposi / Q000453:epidemiology / Q000517:prevention & control