A resident looks into a closed store at Hongfuyuan community in Changping district of Beijing, which is listed as a Covid-19 high-risk area, on Saturday. Photo: VCG

A medical worker inspects a passenger’s Covid-19 testing application Saturday at the Guangzhou Baiyun International Airport in Guangzhou. Starting on Thursday, the airport requires passengers from some Covid-19-affected locations such as Lanzhou and Ejin Banner to take tests before leaving the airport. Photo: VCG

A resident tries to get into the locked-down Hongfuyuan community Sunday in Beijing. Photo: VCG

Volunteers spray disinfectant Friday outside Gansu Provincial Museum in Lanzhou, Northwest China’s Gansu province, to guard against the virus. Photo: Yang Yanmin/China News Service, VCG

Workers stand by at a storage point in the Yihai Garden community of Fengtai district in Beijing on Sunday to deliver daily necessities to residents. Photo: Zhang Yu/China News Service, VCG

Medical workers inspect a locked-down community Saturday in Hohhot, North China's Inner Mongolia autonomous region. The province reported 13 new cases on Sunday, 12 of them in Ejin Banner. Photo: Liu Wenhua/China News Service, VCG

Medical workers carry test samples at a newly built mobile nucleic acid testing lab Saturday in Lanzhou. Photo: VCG

Medical workers verify a resident’s personal information Saturday before performing a Covid-19 test in Haidong, Northwest China’s Qinghai province. The city launched a second round of mass Covid-19 testing in parts of Ping’an district following one confirmed case that was detected on Wednesday. Photo: Ma Mingyan/China News Service, VCG

Residents help a child get a Covid-19 test Friday in Suzhou district of Jiuquan, Northwest China’s Gansu province, where four new cases were confirmed on Sunday. Photo: VCG

Medical workers perform Covid-19 tests for primary school students Wednesday night in the Anning district of Lanzhou. The city suspended primary and middle schools Thursday and ordered online tutoring for students Monday to prevent the spread of the pandemic. Photo: The Paper

Residents line up to get tests Sunday at the Chengguan campus of Lanzhou University in Lanzhou. Photo: VCG

A street appears empty Sunday in Zhangye, Northwest China’s Gansu province, where 13 communities are under restrictions due to the Covid-19 outbreak. Photo: VCG

The Zunyi Grand Theater, a landmark building of Zunyi, Southwest China’s Guizhou province, is closed Saturday. Since Oct. 19, all of the ten reported cases, including four asymptomatic ones, in Guizhou province were from Zunyi as of Sunday. Photo: VCG