Leading from the front: Peng Liyuan's fight against AIDS

First lady Peng Liyuan applauds after presenting an award to Francoise Barre-Sinoussi from the Institute Pasteur in France at the 2014 National Conference on HIV/AIDS in Beijing on Oct 20, 2014. Barre-Sinoussi won a Nobel Prize for identifying the virus. [Photo/Xinhua]