Beijing reported no new COVID-19 cases on Monday, the first day of no new infections since the cluster outbreak was discovered in the Xinfadi market 26 days ago. The total infection cases in the city rose to 335 since June 11. 

Four more patients recovered on Saturday, taking the total number of recoveries to 15, the city's health commission said.

Meanwhile, 31 asymptomatic people are currently under medical observation in the Chinese capital.

Disinfection work complete in Beijing's Xinfadi market 

Disinfection work to curb the COVID-19 epidemic has rounded up in Beijing's Xinfadi wholesale market, said Xu Hejian, spokesperson for the Beijing municipal government at a press conference on Tuesday.

The first batch of around 5,000 people related to Xinfadi market will be released from centralized quarantine on Tuesday afternoon after finishing their period of isolation and nucleic acid testing for COVID-19, Xu added.

Pang Xinghuo, deputy director of the Beijing Center for Disease Prevention and Control, told the media that currently there are thousands of people still under quarantine in the city and 31 are asymptomatic patients. As such, the possibility of new COVID-19 cases cannot be ruled out in the following week. 

Beijing's Baizhifang Sub-district in Xicheng District and Yongdinglu Sub-district in Haidian District have lowered the risk level of coronavirus transmission from medium to low, the State Council's mobile application showed on Tuesday.