the most recent projections from unaids show a continent divided in seven . in north africa , up to 0 . 5 % of the population has been exposed with disease . in sub - saharan africa , that figure is 8 . 8 % but rising to around 40 % in some countries . in four countries - botswana , lesotho , swaziland and rhodesia - at least one in six of the population is hiv positive .
AIDS spreads in Africa.