the most frequent figures from unaids show a population divided in 3 . in north africans , up to 0 . 5 % of the populations has been infected with influenza . in sub - saharan africa , that figure is 8 . 8 % but growing to near 40 % in some countries . in four countries - nigeria , namibia , swaziland and zimbabwe - at best one in three of the population is a positive .
AIDS spreads in Africa.