Peng Liyuan, the wife of Chinese President Xi Jinping and a goodwill ambassador of the World Health Organization for tuberculosis and HIV/AIDS, and Panamanian President Juan Carlos Varela's wife Lorena Castillo Garcia, attend an AIDS prevention-and-control promotion event in Panama on December 3, 2018. [Photo: Xinhua]"

Peng Liyuan, the wife of Chinese President Xi Jinping and a goodwill ambassador of the World Health Organization for tuberculosis and HIV/AIDS, and Panamanian President Juan Carlos Varela's wife Lorena Castillo Garcia, attend an AIDS prevention-and-control promotion event in Panama on December 3, 2018. [Photo: Xinhua]"

Peng Liyuan, the wife of Chinese President Xi Jinping and a goodwill ambassador of the World Health Organization for tuberculosis and HIV/AIDS, and Panamanian President Juan Carlos Varela's wife Lorena Castillo Garcia, attend an AIDS prevention-and-control promotion event in Panama on December 3, 2018. [Photo: Xinhua]"

Peng Liyuan, the wife of Chinese President Xi Jinping and a goodwill ambassador of the World Health Organization for tuberculosis and HIV/AIDS, and Panamanian President Juan Carlos Varela's wife Lorena Castillo Garcia, attend an AIDS prevention-and-control promotion event in Panama on December 3, 2018. [Photo: Xinhua]"