Gottfried Hirnschall, director of the World Health Organization's Department of HIV and Global Hepatitis Programme, shows a new progress report on HIV at a press conference in Geneva, Switzerland, on Nov. 29, 2016. Ahead of World AIDS Day on Dec. 1, the World Health Organization (WHO) released new guidelines on Tuesday on HIV self-testing to improve access to and uptake of HIV diagnosis. (Xinhua/Xu Jinquan)
