Estimated number of AIDS-related deaths with and without antiretroviral therapy, globally, 1996–2008 2.5 2.0 1.5 0.5 1.0 3.0 0 Number (millions) Year 1996199820002002200420062008199719992001200320052007 No antiretroviral therapy At current levels of antiretroviral prophylaxis UNAIDS 2009 AIDS Epidemic Update 2.9 M lives saved