Key districts of Yinchuan conduct nucleic acid testing around clock

A medical worker takes swab samples for nucleic acid testing at a sampling site during the latest COVID-19 outbreak in Yinchuan, northwest China's Ningxia Hui Autonomous Region, Oct. 23, 2021. Thousands of medical workers are on duty around the clock at more than 500 sampling sites in key districts of Yinchuan to conduct the test. (Xinhua/Feng Kaihua)

A medical worker scans QR code to register personal information of a resident for nucleic acid testing at a sampling site during the latest COVID-19 outbreak in Yinchuan, northwest China's Ningxia Hui Autonomous Region, Oct. 23, 2021. Thousands of medical workers are on duty around the clock at more than 500 sampling sites in key districts of Yinchuan to conduct the test. (Xinhua/Feng Kaihua)

A medical worker registers the personal information of a resident with mobility problem at her residence during the latest COVID-19 outbreak in Yinchuan, northwest China's Ningxia Hui Autonomous Region, Oct. 23, 2021. Thousands of medical workers are on duty around the clock at more than 500 sampling sites in key districts of Yinchuan to conduct the test. (Xinhua/Feng Kaihua)

Medical workers take swab samples for nucleic acid testing at a sampling site during the latest COVID-19 outbreak in Yinchuan, northwest China's Ningxia Hui Autonomous Region, Oct. 23, 2021. Thousands of medical workers are on duty around the clock at more than 500 sampling sites in key districts of Yinchuan to conduct the test. (Xinhua/Feng Kaihua)

Medical workers take swab samples for nucleic acid testing at a sampling site during the latest COVID-19 outbreak in Yinchuan, northwest China's Ningxia Hui Autonomous Region, Oct. 23, 2021. Thousands of medical workers are on duty around the clock at more than 500 sampling sites in key districts of Yinchuan to conduct the test. (Xinhua/Feng Kaihua)

Aerial photo taken on Oct. 23, 2021 shows people waiting in line for nucleic acid testing at a sampling site during the latest COVID-19 outbreak in Yinchuan, northwest China's Ningxia Hui Autonomous Region. Thousands of medical workers are on duty around the clock at more than 500 sampling sites in key districts of Yinchuan to conduct the test. (Xinhua/Feng Kaihua)

A medical worker takes swab samples for nucleic acid testing at a sampling site during the latest COVID-19 outbreak in Yinchuan, northwest China's Ningxia Hui Autonomous Region, Oct. 23, 2021. Thousands of medical workers are on duty around the clock at more than 500 sampling sites in key districts of Yinchuan to conduct the test. (Xinhua/Feng Kaihua)

A medical worker takes swab samples for nucleic acid testing at a sampling site during the latest COVID-19 outbreak in Yinchuan, northwest China's Ningxia Hui Autonomous Region, Oct. 23, 2021. Thousands of medical workers are on duty around the clock at more than 500 sampling sites in key districts of Yinchuan to conduct the test. (Xinhua/Feng Kaihua)

Medical workers take swab samples for nucleic acid testing at a sampling site during the latest COVID-19 outbreak in Yinchuan, northwest China's Ningxia Hui Autonomous Region, Oct. 23, 2021. Thousands of medical workers are on duty around the clock at more than 500 sampling sites in key districts of Yinchuan to conduct the test. (Xinhua/Feng Kaihua)

Medical workers take swab samples for nucleic acid testing at a sampling site during the latest COVID-19 outbreak in Yinchuan, northwest China's Ningxia Hui Autonomous Region, Oct. 23, 2021. Thousands of medical workers are on duty around the clock at more than 500 sampling sites in key districts of Yinchuan to conduct the test. (Xinhua/Feng Kaihua)