A resident consults a medical worker at a fever clinic in Lianhu district of Xi'an, Northwest China's Shaanxi province, Dec 21, 2022. Fever clinics have been set up in Xi'an to provide timely treatment to patients with COVID-19 symptoms. [Photo/Xinhua]

A resident consults a medical worker at a fever clinic in Beilin district of Xi'an, Northwest China's Shaanxi province, Dec 20, 2022. [Photo/Xinhua]

A medical worker prepares medicine for patients according to prescription at a fever clinic in Weiyang district of Xi'an, Northwest China's Shaanxi province, Dec 20, 2022. [Photo/Xinhua]

A medical worker prepares medicine for patients according to prescription at a fever clinic in Weiyang district of Xi'an, Northwest China's Shaanxi province, Dec 20, 2022. [Photo/Xinhua]