Rural areas in Beijing's cdistrict implemented closed-off management to curb the spread of the novel coronavirus on Monday.

All people in Shunyi's rural areas will be under close management until testing results come out, said Zhi Xianwei, executive deputy head of Shunyi district, at a press conference on Monday.

The authority has started a second-round of mass nucleic acid testing in Shunyi.

Beijing added another village to the medium-risk area on Monday, which means the city now has nine medium-risk areas, said Pang Xinghuo, deputy head of the Beijing Center for Disease Control and Prevention, on Monday.

The new medium-risk village, Lianzhuangcun, is in Zhaoquanying county, Shunyi district, the epicenter of the recent cluster in Beijing.

"Among the nine medium-risk areas, one is in Chaoyang district and the remaining eight are in Shunyi," Pang said.

Beijing reported one new local case and four asymptomatic cases on Sunday and all are from one family that lives in Lianzhuangcun village.

Wang Yongnian, executive deputy head of Fangshan district, a neighbor of North China's Hebei province, said on Monday the district has vaccinated 37,000 people.

There are nine checkpoints for vehicles entering the capital in Fangshan district. Wang said the authority at the checkpoints will check all vehicles and individuals that enter the capital to ensure they have followed the rules, with all documents and testing results.

Starting Tuesday, Fangshan will start mass testing about 100,000 residents in 32 villages.