NW China's Xi'an upgrades anti-epidemic measures (4)

Supermarket employees package vegetables to be delivered to households under closed-off management in Xi'an, capital of northwest China's Shaanxi Province, Dec. 29, 2021.

Authorities in Xi'an have upgraded epidemic control and prevention measures starting Monday, ordering all residents to stay indoors and refrain from gatherings except when taking nucleic acid tests.

Daily necessities of residents were guaranteed every day through delivery services. (Xinhua/Tao Ming)