Malaria affects 500 million people; 40 million people live with HIV - AIDS; tuberculosis killed 1.6 million people in 2005. ​ — World Health Organization.
( Worldwatch Institute.) 500 miljonit inimest põeb malaariat; 40 miljonil on HIV - AIDS; 2005. aastal suri 1,6 miljonit inimest tuberkuloosi.