Xi'an launches new round of all-inclusive nucleic acid testing

A kid receives nucleic acid test at a testing site in Xincheng District of Xi'an, northwest China's Shaanxi Province, Jan. 4, 2022. 

A resident receives nucleic acid test at a testing site in Xincheng District of Xi'an, northwest China's Shaanxi Province, Jan. 4, 2022. 

A kid receives nucleic acid test at a testing site in Xincheng District of Xi'an, northwest China's Shaanxi Province, Jan. 4, 2022. 

China's Hainan sees soaring duty-free sales in 2021 China expands opening-up in cross-border trade, investment in pilot zones