North China's Shijiazhuang City, Hebei Province will start a second round of mass nucleic acid testing for all residents on Tuesday due to the latest outbreak, Meng Xianghong, deputy mayor of the city announced on Monday.

Over 10 million samples were collected in the first round of testing in Shijiazhuang, and 354 came back positive after testing, according to local health officials.

Shijiazhuang reported 16 new confirmed COVID-19 cases and five new asymptomatic cases as of noon on Monday.