Yinchuan launches 3rd round of nucleic acid test（5）

A medical worker takes a swab sample from a citizen in Xingqing District of Yinchuan, northwest China's Ningxia Hui Autonomous Region, Nov. 2, 2021. A third round of nucleic acid test has been launched from 8 a.m. Tuesday in Yinchuan. As of Sunday, a total of 33 confirmed COVID-19 cases have been reported in Ningxia, with 21 cases in Yinchuan, the capital city. (Xinhua/Wang Peng)