. . . . . . "According to Tabbush, HIV/AIDS is a massive problem across Africa - but is especially acute in the south, in states such as South Africa, Botswana, Zimbabwe, Swaziland and Lesotho.We are talking about 40 percent of the adult population of Africa, said Tabbush.At the end of the day, it is more than a health problem - it is a social problem." .