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Circumcision reduces the risk of HIV infection in heterosexual US men
Date:12/17/2008

A new U.S. study has found that being circumcised significantly reduced the risk of HIV infection in heterosexual African American men known to have been exposed to the virus. The findings complement those of recently reported clinical trials in Africa, where interventional use of adult male circumcision similarly reduced the risk of HIV infection in heterosexual men. The findings of the new study, along with similar results from other studies, suggest that circumcision may protect other heterosexual males in the U.S. The promising new findings are reported in the January 1 issue of The Journal of Infectious Diseases, now available online.

Lee Warner, PhD, MPH, and colleagues at the Centers for Disease Control and Prevention (CDC) and the Johns Hopkins University School of Medicine studied the records of more than 26,000 African American men who had had HIV testing during visits to two Baltimore, Maryland, STD clinics from 1993 to 2000. The subjects selected for the study said that they did not inject drugs and had sex only with women. Their visits to the clinics were classified as involving known HIV exposure if there had been a recent notification of such exposure by a sex partner or by a clinic's disease intervention specialists; clinic visits for other reasons were classified as involving unknown HIV exposure. By these criteria, the investigators found 394 visits with known exposure and 40,177 visits with unknown exposure.

In visits by men with known HIV exposure, being circumcised was associated with a 51 percent reduction in HIV prevalence (10.2 percent of circumcised men vs. 22.0 percent of uncircumcised men). In contrast, HIV prevalence did not significantly differ in circumcised compared to uncircumcised men with unknown HIV exposure (2.5 percent vs 3.3 percent).

The investigators noted that three other U.S.-based studies had previously suggested that circumcision may be associated with reduced HIV risk, but the findi
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Contact: Steve Baragona
sbaragona@idsociety.org
703-299-0412
Infectious Diseases Society of America
Source:Eurekalert

Page: 1 2

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