A resident takes a bag of groceries over a fence of a residential community Tuesday in Beijing’s Xicheng district. Photo: Ding Gang/Caixin

Medical workers in protective gear head inside to disinfect a residential community. Photo: Ding Gang/Caixin

Residents line up to take nucleic acid tests because they live near a market where an employee had been diagnosed with Covid-19. Photo: Ding Gang/Caixin

A resident takes a nucleic acid test. Photo: Ding Gang/Caixin

The Tiantaohonglian food market has been temporarily closed after one of its employees was diagnosed with Covid-19 on Sunday. Photo: Ding Gang/Caixin