"Now a growing number of clinicians and policy makers in the region are pointing to a simple and possibly potent weapon against new infections: circumcision for men.
...
But World Health Organization experts say it would be premature to recommend circumcision until results come in from two randomized controlled trials involving nearly 8,000 people in Kenya and Uganda. Preliminary results could be released by late June.

Data from earlier studies is "excitingly tantalizing, and the potential effectiveness looks pretty good," said Kevin O'Reilly, who is in charge of H.I.V. prevention for the health organization. But it must be confirmed, he said, "before we officially declare that circumcision is a policy that should be adopted by countries." "

http://www.nytimes.com/2006/04/28/world/africa/28africa.html?ex=1303876800&en=fdc5294731df4de1&ei=5090&partner=rssuserland&emc=rss

[linked fromn instapundit]