African Americans of all ages face a higher risk of being exposed to infection with each sexual encounter than do other racial/ethnic groups. This is because the burden of HIV is greater in African American communities than any other racial/ethinic groups, and because African Americans are likely to have sexual relations with other African Americans.Therefore, even with levels of individual risk behaviors (e.g. Unprotected sex, multiple partners) that are comparable to other ethnicities, African Americans face a higher risk of infection. CDC.GOV
When we look at HIV/AIDS by race and ethnicity, Blacks have more illness (Blacks represent only 12% of the U.S. population, yet account for 45% of new HIV infections and 46% of people living with HIV disease in 2006); and more deaths (Blacks accounted for 57% of deaths due to HIV in 2007 and the survival time after an AIDS diagnosis is lower on average than it is for most other racial/ethnic groups). In 2009, Blacks accounted for 44% of all new HIV infections.
The AIDS diagnosis rate per 100,000 among Black adults/adolescents was 9 times that of whites in 2008. The AIDS diagnosis rate for Black men (85.5) was the highest of any group, followed by Black women (39.9). By comparison, the rate among white men was 10. The rate of new infections is also highest among Blacks and was 7 times greater than the rate among whites in 2006.