Forty-five people out of 517 tested with throat swabs at the Xinfadi market in the city’s southwestern Fengtai district had tested positive for the coronavirus, Chu Junwei, a district official, told a briefing.

None were showing symptoms of COVID-19, he said, but added that 11 neighbourhoods in the vicinity of the market, which claims to be the largest agricultural wholesale market in Asia, had been locked down with 24-hour guards put in place.

“In accordance with the principle of putting the safety of the masses and health first, we have adopted lockdown measures for the Xinfadi market and surrounding neighbourhoods,” Chu said.