A medical worker disinfects another who comes to submit the COVID-19 samples for nucleic acid test at the center for disease control and prevention in Fengman District of Jilin City, northeast China's Jilin Province, May 17, 2020. Jilin Province reported three new confirmed COVID-19 cases on Saturday, local health authorities said Sunday. The provincial health commission said the three domestically transmitted cases in Fengman district in the city of Jilin were either close contacts or once had contact with earlier confirmed cases in the district. The district's risk associated with the virus has been upgraded from the medium-level to the high-level after reports of the three new cases. (Xinhua/Yan Linyun)
