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" ... What do these findings mean? Until recently, efforts to prevent new infections have been limited to promoting reduced sexual activity (abstinence, be faithful and delayed initiation of sexual activity) and increased use of male and female condoms. In the last few years we have learned about the relative benefits of male circumcision to reduce new infections in men; and vaginal microbicides used by women before and after sex to reduce new infections among women. Today’s findings provide a safe, effective and low cost intervention that could dramatically reduce the 2.4 million new cases of HIV each year. ... "