The document discusses the global HIV/AIDS epidemic and its impact. It notes that as of 2008, there were an estimated 33.4 million people living with HIV/AIDS globally. Women accounted for half of new infections that year. The epidemic disproportionately impacts those in sub-Saharan Africa, where 22.4 million people were estimated to be living with HIV/AIDS in 2008. The epidemic has had vast social and economic impacts, including orphaning millions of children and slowing economic growth.