A medical worker collects a swab sample from a child at a community COVID-19 testing site in Xinhua District of Shijiazhuang, capital of north China's Hebei Province, Jan. 12, 2021. Shijiazhuang started the second round of nucleic acid tests for all residents on Tuesday. (Photo by Liang Zidong/Xinhua)
A resident registers her personal information before the COVID-19 test at a community COVID-19 testing site in Qiaoxi District of Shijiazhuang, capital of north China's Hebei Province, Jan. 12, 2021. Shijiazhuang started the second round of nucleic acid tests for all residents on Tuesday. (Xinhua/Mu Yu)
A medical worker collects a swab sample from a child a community COVID-19 testing site in Xinhua District of Shijiazhuang, capital of north China's Hebei Province, Jan. 12, 2021. Shijiazhuang started the second round of nucleic acid tests for all residents on Tuesday. (Photo by Liang Zidong/Xinhua)
A medical worker collects a swab sample from a child at a community COVID-19 testing site in Yuhua District of Shijiazhuang, capital of north China's Hebei Province, Jan. 12, 2021. Shijiazhuang started the second round of nucleic acid tests for all residents on Tuesday. (Xinhua/Yang Shiyao)
A medical worker collects a swab sample from a resident at a community COVID-19 testing site in Yuhua District of Shijiazhuang, capital of north China's Hebei Province, Jan. 12, 2021. Shijiazhuang started the second round of nucleic acid tests for all residents on Tuesday. (Xinhua/Yang Shiyao)
A medical worker collects a swab sample from a child at a community COVID-19 testing site in Yuhua District of Shijiazhuang, capital of north China's Hebei Province, Jan. 12, 2021. Shijiazhuang started the second round of nucleic acid tests for all residents on Tuesday. (Xinhua/Yang Shiyao)
Residents register their personal information before the COVID-19 test at a community COVID-19 testing site in Qiaoxi District of Shijiazhuang, capital of north China's Hebei Province, Jan. 12, 2021. Shijiazhuang started the second round of nucleic acid tests for all residents on Tuesday. (Xinhua/Mu Yu)
A medical worker collects a swab sample from a resident at a community COVID-19 testing site in Qiaoxi District of Shijiazhuang, capital of north China's Hebei Province, Jan. 12, 2021. Shijiazhuang started the second round of nucleic acid tests for all residents on Tuesday. (Xinhua/Mu Yu)
A medical worker collects a swab sample from a child at a community COVID-19 testing site in Xinhua District of Shijiazhuang, capital of north China's Hebei Province, Jan. 12, 2021. Shijiazhuang started the second round of nucleic acid tests for all residents on Tuesday. (Photo by Liang Zidong/Xinhua)
A medical worker collects a swab sample from a resident at a community COVID-19 testing site in Xinhua District of Shijiazhuang, capital of north China's Hebei Province, Jan. 12, 2021. Shijiazhuang started the second round of nucleic acid tests for all residents on Tuesday. (Photo by Liang Zidong/Xinhua)
A medical worker collects a swab sample from a resident at a community COVID-19 testing site in Yuhua District of Shijiazhuang, capital of north China's Hebei Province, Jan. 12, 2021. Shijiazhuang started the second round of nucleic acid tests for all residents on Tuesday. (Xinhua/Yang Shiyao)
A medical worker collects a swab sample from a child at a community COVID-19 testing site in Qiaoxi District of Shijiazhuang, capital of north China's Hebei Province, Jan. 12, 2021. Shijiazhuang started the second round of nucleic acid tests for all residents on Tuesday. (Xinhua/Mu Yu)
Residents register their personal information before the COVID-19 test at a community COVID-19 testing site in Qiaoxi District of Shijiazhuang, capital of north China's Hebei Province, Jan. 12, 2021. Shijiazhuang started the second round of nucleic acid tests for all residents on Tuesday. (Xinhua/Mu Yu)
A volunteer registers at a community COVID-19 testing site in Qiaoxi District of Shijiazhuang, capital of north China's Hebei Province, Jan. 12, 2021. Shijiazhuang started the second round of nucleic acid tests for all residents on Tuesday. (Xinhua/Mu Yu)
A medical worker collects a swab sample from a child a community COVID-19 testing site in Qiaoxi District of Shijiazhuang, capital of north China's Hebei Province, Jan. 12, 2021. Shijiazhuang started the second round of nucleic acid tests for all residents on Tuesday. (Xinhua/Mu Yu)
A medical worker collects a swab sample from a resident at a community COVID-19 testing site in Yuhua District of Shijiazhuang, capital of north China's Hebei Province, Jan. 12, 2021. Shijiazhuang started the second round of nucleic acid tests for all residents on Tuesday. (Xinhua/Yang Shiyao)
A medical worker collects a swab sample from a child at a community COVID-19 testing site in Qiaoxi District of Shijiazhuang, capital of north China's Hebei Province, Jan. 12, 2021. Shijiazhuang started the second round of nucleic acid tests for all residents on Tuesday. (Xinhua/Mu Yu)
A medical worker collects a swab sample from a resident at a community COVID-19 testing site in Qiaoxi District of Shijiazhuang, capital of north China's Hebei Province, Jan. 12, 2021. Shijiazhuang started the second round of nucleic acid tests for all residents on Tuesday. (Xinhua/Mu Yu)
A medical worker collects nucleic acid sample for a villager at Shizhuang Village in Yuanshi County of Shijiazhuang City, north China's Hebei Province, Jan. 12, 2021. Shijiazhuang launched the second round of citywide nucleic acid testing on Tuesday. There are sufficient professional personnel for sampling, information input and order maintenance at every sampling site to ensure the sampling work is carried out in an orderly and efficient manner. (Xinhua/Xing Guangli)
A medical worker wearing head shield works at the nucleic acid sampling site at Shizhuang Village in Yuanshi County of Shijiazhuang City, north China's Hebei Province, Jan. 12, 2021. Shijiazhuang launched the second round of citywide nucleic acid testing on Tuesday. There are sufficient professional personnel for sampling, information input and order maintenance at every sampling site to ensure the sampling work is carried out in an orderly and efficient manner. (Xinhua/Jin Liangkuai)
Medical workers collect nucleic acid samples for villagers at Shizhuang Village in Yuanshi County of Shijiazhuang City, north China's Hebei Province, Jan. 12, 2021. Shijiazhuang launched the second round of citywide nucleic acid testing on Tuesday. There are sufficient professional personnel for sampling, information input and order maintenance at every sampling site to ensure the sampling work is carried out in an orderly and efficient manner. (Xinhua/Xing Guangli)
Villagers line to wait for nucleic acid sampling at Shizhuang Village in Yuanshi County of Shijiazhuang City, north China's Hebei Province, Jan. 12, 2021. Shijiazhuang launched the second round of citywide nucleic acid testing on Tuesday. There are sufficient professional personnel for sampling, information input and order maintenance at every sampling site to ensure the sampling work is carried out in an orderly and efficient manner. (Xinhua/Xing Guangli)
Medical workers collect nucleic acid samples for villagers at Shizhuang Village in Yuanshi County of Shijiazhuang City, north China's Hebei Province, Jan. 12, 2021. Shijiazhuang launched the second round of citywide nucleic acid testing on Tuesday. There are sufficient professional personnel for sampling, information input and order maintenance at every sampling site to ensure the sampling work is carried out in an orderly and efficient manner. (Xinhua/Xing Guangli)
A medical worker collects nucleic acid sample for a villager at Shizhuang Village in Yuanshi County of Shijiazhuang City, north China's Hebei Province, Jan. 12, 2021. Shijiazhuang launched the second round of citywide nucleic acid testing on Tuesday. There are sufficient professional personnel for sampling, information input and order maintenance at every sampling site to ensure the sampling work is carried out in an orderly and efficient manner. (Xinhua/Xing Guangli)
Medical workers work at the nucleic acid sampling site at Shizhuang Village in Yuanshi County of Shijiazhuang City, north China's Hebei Province, Jan. 12, 2021. Shijiazhuang launched the second round of citywide nucleic acid testing on Tuesday. There are sufficient professional personnel for sampling, information input and order maintenance at every sampling site to ensure the sampling work is carried out in an orderly and efficient manner. (Xinhua/Jin Liangkuai)
A medical worker collects nucleic acid sample for a four-month-old baby at Shizhuang Village in Yuanshi County of Shijiazhuang City, north China's Hebei Province, Jan. 12, 2021. Shijiazhuang launched the second round of citywide nucleic acid testing on Tuesday. There are sufficient professional personnel for sampling, information input and order maintenance at every sampling site to ensure the sampling work is carried out in an orderly and efficient manner. (Xinhua/Jin Liangkuai)
