From Peace Corps Wiki
Peace Corps Volunteers respond to various needs that impact Africa's development. These include the importance of HIV/AIDS prevention and education, girls' education, the increasing pressures of environmental degradation, advances in information technology, and the democratization process that some countries are committed to supporting. Peace Corps has continued to develop a strong partnership with the people of Africa. Volunteers currently work in the areas of education, health and HIV/AIDS, business development, agriculture, and the environment.
Africa Official US Peace Corps website on Africa