A deliveryman works in Futian district of Shenzhen, South China's Guangdong province, March 10, 2022. In South China's metropolis Shenzhen, which reported 75 confirmed locally transmitted cases on March 13, the bus and subway systems were suspended, and businesses, except those providing essential services, have been closed from March 14 to March 20. Employees must work from home if they can, and residents are barred from leaving the city in South China's Guangdong province. [Photo/Xinhua]
Medical workers clean up medical waste at a nucleic acid testing site in Luohu district of Shenzhen, South China's Guangdong province, March 13, 2022. [Photo/Xinhua]
A volunteer in protective gear guides citizens at a nucleic acid testing site in Luohu district of Shenzhen, South China's Guangdong province, March 13, 2022. [Photo/Xinhua]
A medical worker takes a swab sample from a citizen for nucleic acid test at a testing site in Luohu district of Shenzhen, South China's Guangdong province, March 13, 2022. [Photo/Xinhua]