求翻译：撒哈拉以南非洲地区包含10％的世界人口，但艾滋病病例占了世界的三分之二。是什么意思？

Sub-Saharan Africa contains 10% of the world's population, but AIDS cases accounted for two-thirds of the world.

sub-Saharan Africa is the region that contains 10 per cent of the population of the world, but HIV/AIDS cases in the world of the 2 / 3.

AIDS is (English is called HIV) by the humanity immunodeficiency virus to cause, this virus can destroy the human body immune system, causes the human to lose the immunity ability, initiates each kind of infection and the tumor, finally causes the death.AIDS does not have the cure medicine and the m

Contains 10% of the world's population in sub-Saharan Africa, but AIDS cases accounted for two-thirds of the world.

Contains 10% of the world's population in sub-Saharan Africa, but AIDS cases accounted for two-thirds of the world.