Medical workers scan the codes of nucleic acid samples at a testing lab in Sanya, south China's Hainan Province, Aug. 14, 2022. Sanya has optimized the processes of nucleic acid testing amid the latest COVID-19 resurgence. (Xinhua/Zhao Yingquan)
A medical worker transports nucleic acid samples at a testing lab in Sanya, south China's Hainan Province, Aug. 14, 2022. Sanya has optimized the processes of nucleic acid testing amid the latest COVID-19 resurgence. (Xinhua/Zhao Yingquan)
Medical workers scan the codes of nucleic acid samples at a testing lab in Sanya, south China's Hainan Province, Aug. 14, 2022. Sanya has optimized the processes of nucleic acid testing amid the latest COVID-19 resurgence. (Xinhua/Zhao Yingquan)
Volunteers transport nucleic acid samples in Sanya, south China's Hainan Province, Aug. 14, 2022. Sanya has optimized the processes of nucleic acid testing amid the latest COVID-19 resurgence. (Xinhua/Zhao Yingquan)
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