Residents wait to take nucleic acid tests Saturday in Kashgar, Northwest China’s Xinjiang Uygur autonomous region.

A resident registers to take a nucleic acid test. On Saturday, a woman linked to a clothing factory in the city was found to have the virus, making it the first locally transmitted case on Chinese mainland in 10 days.

Residents line up to take nucleic acid tests. Local authorities aim to test Kashgar’s entire population of 4.75 million by Tuesday.

A man checks his phone on an empty street Sunday.

Residents sit in front of a closed store. A total of 138 new asymptomatic cases of Covid-19 have been reported in the city’s flare-up.