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New research suggests that people of African descent are much more likely to have a genetic trait that makes them more susceptible to infection with the HIV virus.
The researchers found that a genetic trait - found in 60 percent of African-Americans and 90 percent of Africans - makes HIV infection 40 percent more likely. The trait is virtually nonexistent in whites. That explains, in part, why the AIDS epidemic has taken such a high toll in places like Africa and Haiti.
Malaria gene 'increases HIV risk'
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