
Medical workers work at local disease control and prevention center in Lixian County, central China's Hunan Province, Aug. 5, 2021.Photo:Xinhua

A medical worker works at a local maternity and child health hospital in Lixian County, central China's Hunan Province, Aug. 5, 2021. Photo:Xinhua

A medical worker takes a swab sample for a COVID-19 test at a hospital in Lixian County, central China's Hunan Province, Aug. 5, 2021.Photo:Xinhua