Staff members work in a temporary COVID-19 testing lab in Wangkui County, northeast China's Heilongjiang Province, Jan. 17, 2021. Northeast China's Heilongjiang Province reported 12 new confirmed COVID-19 cases and 19 asymptomatic infections on Saturday, local health authorities said Sunday. The cases were all close contacts or secondary close contacts of earlier COVID-19 infections in Huiqi Village, Wangkui County. (Photo by Zhang Tao/Xinhua)
