In the next 10 years, universal circumcision of men and boys in sub-Saharan Africa could prevent 2 million new cases of infection with the human immunodeficiency virus (HIV) and avert 300,000 deaths. Over the following 10 years, it could prevent 3.7 million additional HIV infections and 2.7 million more deaths.
The estimates, reported in the July PLoS Medicine, include women because they would be less likely to get infected if fewer men were HIV-positive, says coauthor Brian G. Williams, an epidemiologist at the World Health Organization in Geneva, Switzerland.
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