A girl salutes a volunteer in a neighborhood in Xianyou county, Fujian province. [Photo by Huang Xiuming/provided to chinadaily.com.cn]

A medical staff member and a volunteer conduct an in-home nucleic acid test for a resident in Xianyou county, Fujian province. [Photo by Lu Lili/provided to chinadaily.com.cn]

An aerial view of people holding umbrellas while waiting in a line for nucleic acid tests on a football pitch at a primary school in Xianyou, Fujian province. [Photo by Yu Qin/provided to chinadaily.com.cn]