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Antiretroviral drugs can save lives, but can they solve Africa’s AIDS epidemic?

Yosam Katongole begins his journey. The peasant farmer rises early, pulling on a dark green dress shirt, black pants, orange plastic flip-flops and a baseball cap emblazoned with a big G. At 5 a.m.—a couple of hours before sunrise—Katongole, his pregnant wife, and his daughter leave their house. They have one bicycle.

He rides with his daughter for...

Studies Show Adult Male Circumcision Reduces Acquisition of HIV

The National Institute of Allergy and Infectious Diseases (NIAID), part of the National Institutes of Health (NIH), announced an early end to two clinical trials of adult male circumcision because an interim review of trial data revealed that medically performed circumcision significantly reduces a man’s risk of acquiring HIV through heterosexual intercourse.