Photo shows heating pads and hot soybean milk prepared by local community at a nucleic acid testing site in Dadong district of Shenyang, Northeast China's Liaoning province, March 17, 2022. Shenyang started a round of mass COVID-19 testing on March 17. Local communities and enterprises have prepared cold-proof supplies for volunteers and medical staff against cold weather. [Photo/Xinhua]
A volunteer in protective gear guides citizens at a nucleic acid testing site in Heping district of Shenyang, Northeast China's Liaoning province, March 17, 2022. [Photo/Xinhua]
A volunteer in protective gear works at a nucleic acid testing site in Dadong district of Shenyang, Northeast China's Liaoning province, March 17, 2022. [Photo/Xinhua]
Volunteers drink hot soybean milk prepared by local community at a nucleic acid testing site in Dadong district of Shenyang, Northeast China's Liaoning province, March 17, 2022. [Photo/Xinhua]
A resident receives nucleic acid test at a testing site in Heping district of Shenyang, Northeast China's Liaoning province, March 17, 2022. [Photo/Xinhua]
A medical worker helps a citizen register for nucleic acid testing in Dadong district of Shenyang, Northeast China's Liaoning province, March 17, 2022. [Photo/Xinhua]
A medical worker pastes a heating pad on his clothes at a nucleic acid testing site in Heping district of Shenyang, Northeast China's Liaoning province, March 17, 2022. [Photo/Xinhua]