GENEVA, SWITZERLAND - JULY 16: Michel Sidibe, Executive Director of UNAIDS, launches the UNAIDS new Gap report on HIV at a press confrence in Geneva, Switzerland on July 16, 2014. A new report by UNAIDS shows that 19 million of the 35 million people living with HIV globally do not know their HIV-positive status. (Photo by Fatih Erel/Anadolu Agency/Getty Images)
