Medical workers disinfect the building where they took swab samples from residents for nucleic acid testing at the Guangfu residential area in Yuyuan sub-district in Shanghai, east China, April 16, 2022.
Medical workers conducted nucleic acid tests on those who tested positive via the antigen screening on Saturday in the Guangfu residential area. (Xinhua/Jin Liwang)
A medical worker takes a swab sample from a resident for nucleic acid testing at the Guangfu residential area in Yuyuan sub-district in Shanghai, east China, April 16, 2022.
Medical workers conducted nucleic acid tests on those who tested positive via the antigen screening on Saturday in the Guangfu residential area. (Xinhua/Jin Liwang)
A medical worker disinfects the other after taking swab samples from residents for nucleic acid testing at the Guangfu residential area in Yuyuan sub-district in Shanghai, east China, April 16, 2022.
Medical workers conducted nucleic acid tests on those who tested positive via the antigen screening on Saturday in the Guangfu residential area. (Xinhua/Jin Liwang)
Medical workers prepare to take swab samples from residents for nucleic acid testing at the Guangfu residential area in Yuyuan sub-district in Shanghai, east China, April 16, 2022.
Medical workers conducted nucleic acid tests on those who tested positive via the antigen screening on Saturday in the Guangfu residential area. (Xinhua/Jin Liwang)
Medical workers check the list of residents to be swabbed for nucleic acid testing at the Guangfu residential area in Yuyuan sub-district in Shanghai, east China, April 16, 2022.
Medical workers conducted nucleic acid tests on those who tested positive via the antigen screening on Saturday in the Guangfu residential area. (Xinhua/Jin Liwang)