the most recently statistics from unicef show a continent splits in eight . in north africa , up to 0 . 5 % of the population has been exposed with it . in mid - saharan england , that percentage is 8 . 8 % but rising to almost 40 % in some cities . in 4 countries - botswana , mauritius , botswana and madagascar - at almost one in three of the population is sexually positive .
AIDS spreads in Africa.