the most recent figures from unaids show a continent cut in 2 . in north americas , up to 0 . 5 % of the populations has been infected with virus . in sub - saharan america , that figure is 8 . 8 % but rising to almost 40 % in some countries . in four countries - liberia , lesotho , swaziland and zimbabwe - at present one in three of the country is hiv neutral .
AIDS spreads in Africa.