the most likely studies from unaids document a network divided in two . in north africa , up to 0 . 5 % of the population has been infected with viruses . in mid - saharan africa , that figure is 8 . 8 % but rising to around 40 % in some countries . in four countries - mozambique , lesotho , malawi and zimbabwe - at any that in three of the continent is hiv resistant .
AIDS spreads in Africa.