They monitored about 1000 people in Africa


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送交者: Latino2 于 2006-12-14, 08:48:37:

回答: "新闻晚报" (新闻取自各大新闻媒体,新闻内容并不代表本网立场)? 由 Wood 于 2006-12-14, 08:44:04:

the group with circumcision had about 20 cases of AIDS infection, whereas the controll group (without circumcision) had about 50 infection.

This is in sub Saharan Africa, people often don't use condom.





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