The 35th Chinese medical team conduct a training lecture on the prevention and treatment of the novel coronavirus (COVID-19) in a hospital in Khartoum, Sudan, Feb. 19, 2020. With the aim of enhancing the capacity of early identification, diagnosis and clinical treatment of the COVID-19 among Sudanese medical workers, the lecture was attended by more than 50 medical personnel and experts from both sides. (Photo by Mohamed Khidir/Xinhua)