Local medical members receive training from a medical team of China's People's Liberation Army (PLA), to fight against Ebola disease at a hospital in Freetown, capital of Sierra Leone, Dec. 10, 2014. Since 1963, some 220 million patients in 48 African countries have been treated by Chinese medical personnel as of 2018, according to the National Health Commission. Currently, 983 Chinese doctors are providing free medical services in 45 African countries. (Photo by Dai Xin/ Xinhua)