Beijing will conduct three rounds of nucleic acid testing in 11 areas from Tuesday to Saturday in efforts to curb the risk of COVID-19, local authorities said at a press conference Monday.

The testing will cover people in the districts of Xicheng, Dongcheng, Haidian, Fengtai, Shijingshan, Fangshan, Tongzhou, Shunyi, Changping, Daxing and Beijing Economic-Technological Development Area, said Xu Hejian, spokesperson of the municipal government of Beijing.

The city has already started a district-wide nucleic acid testing in Chaoyang District on Monday after new local cases had been reported.

Beijing reported 29 locally transmitted confirmed COVID-19 cases between 4 p.m. Sunday and 4 p.m. Monday. A total of 70 local infections have been logged since Friday, said Pang Xinghuo, deputy head of the Beijing municipal disease prevention and control center.