The incidence of the acquired immunodeficiency syndrome (AIDS) has peaked.
D000163:Acquired Immunodeficiency Syndrome / Q000453:epidemiology*; D004196:Disease Outbreaks; D006801:Humans; D015994:Incidence; D008297:Male; D012495:San Francisco / Q000453:epidemiology; D012725:Sexual Behavior; D014505:Urban Population