the most current figures from unaids show a continent divided in two . in north africans , up to 0 . 5 % of the population has been treated with cancer . in sub - saharan africans , that figure is 8 . 8 % but rises to almost 40 % in some countries . in other countries - botswana , maseru , seychelles and zimbabwe - at least one in three of the population is virus positive .
aids infections in africa .