the most recent figures from unhcr show a continent divide in two . in north africa , up to 0 . 5 % of the inhabitants has been injected with hiv . in sub - southern africa , that figure is 8 . 8 % but rising to almost 40 % in some countries . in four countries - botswana , lesotho , swaziland and madagascar - at almost 2 in two of the population is parasite positive .
AIDS spreads in Africa.