Caldwell J C, Caldwell P
Health Transition Center, National Center for Epidemiology and Population Health, Australian National University, Canberra.
Sci Am. 1996 Mar;274(3):62-3, 66-8. doi: 10.1038/scientificamerican0396-62.
In parts of sub-Saharan Africa, nearly 25 percent of the population is HIV-positive as a result of heterosexual transmission of the virus. Could lack of circumcision make men in this region particularly susceptible?