Iranian officials frequently maintain that most of that country's HIV infections are the result of intravenous drug abuse -- often in prison.

The trial of 21 physicians and health officials accused of responsibility for an outbreak of HIV infections in the Southern Kazakhstan region began today in Shymkent.

A University of Illinois at Chicago study has been stopped early due to preliminary results indicating that medical circumcision of men reduces their risk of acquiring HIV during heterosexual intercourse by 53 percent.