According to the World Health Organization, there are 34 million HIV-positive individuals in the world today, and the virus has claimed the lives of 25 million people since the initial cases of the infection were reported more than three decades ago.
http://www.fool.com/investing/general/2013/06/15/3-key-advances-in-hiv-prevention.aspx
http://www.fool.com/investing/general/2013/06/15/3-key-advances-in-hiv-prevention.aspx