Residents queue up for nucleic acid test at a testing site in Xi'an, Northwest China's Shaanxi province, Dec 21, 2021. Xi'an launched a new round of all-inclusive nucleic acid testing on Tuesday since new locally transmitted confirmed COVID-19 cases were reported. [Photo/Xinhua]

BEIJING -- The Chinese mainland on Tuesday reported 57 new locally transmitted COVID-19 cases, the National Health Commission said in its daily report on Wednesday.
 

Of the new local cases, 53 were reported in Shaanxi, two in Guangdong, and one each in Tianjin and Guangxi, the commission said.
 

Also reported were 20 new imported cases in six provincial-level regions, according to the commission.
 

Two new suspected cases arriving from outside the mainland were reported in Shanghai and no new deaths from COVID-19 were reported on Tuesday, it added.