Look at the graph and read the passage from When Birds Get Flu and Cows Go Mad! by John DiConsiglio. HIV/AIDS IN AFRICA, 1958–2003 AIDS is growing fastest in the poorest countries of Africa. These nations don’t have enough doctors, medical labs, or money for medicine. A recent study showed that only a small percentage of HIV-infected children in Africa are getting any medical treatment at all. What central idea is emphasized in both sources? The HIV/AIDS epidemic in Africa is serious. The HIV/AIDS epidemic in South Africa is serious. The HIV/AIDS epidemic among African children is serious. The HIV/AIDS epidemic among South African children is serious.