(Yicai Global) March 23 -- Shanghai, China’s largest city, is facing the challenge posed by the highly contagious omicron variant of Covid-19.

A volunteer uses a loudspeaker on March 22 to inform residents in one community to get ready for nucleic acid tests.

A child isolating at home with his family looks at a Covid-19 testing site using binoculars on March 19.

Residents of a community line up in the rain for tests on March 21.

A school student arrives at a designated site on March 18 for a Covid test during a recess in online classes.

Volunteers at a local community pose for a photo after finishing the day’s work on March 22.

Cherry blossoms bloom outside Shanghai’s Hongkou Football Stadium on March 21. There were few pedestrians on city roads amid measures to control the virus.

Editor: Peter Thomas