Beijing swiftly shut down the city’s largest wholesale market after dozens of people became infected with coronavirus, and officials have declared “wartime management” in one district, according to reports.

Of the 500 people who were tested on Friday, seven tested positive and showed symptoms of COVID-19, with an additional 46 asymptomatic people testing positive. The cases mark the first local transmissions of the disease in the Chinese capital in 55 days, according to the South China Morning Post.

People wearing face masks to protect against the new coronavirus stop at a checkpoint outside the Xinfadi wholesale food market district in Beijing, Saturday, June 13, 2020. Beijing closed the city’s largest wholesale food market Saturday after the discovery of seven cases of the new coronavirus in the previous two days. (AP Photo/Mark Schiefelbein)

Patient Zero in the new outbreak is believed to have visited the Xinfadi…