KEY POINTS
  • The Chinese city of Tianjin started a new round of testing of its 14 million residents on Wednesday to block the omicron variant, as financial analysts warned of the growing economic costs on China of curbs to extinguish clusters of infections.
  • Japanese automaker Toyota said operations at its joint-venture factory in Tianjin had been halted since Monday due to the impact on its suppliers of mandatory coronavirus testing of Tianjin residents.
  • The city ordered a half-day off for employees at companies and other institutions on Wednesday and required them to keep activities "relatively static" to comply with the city's second round of mass testing, the local government said in a statement.
A medical worker takes a swab sample from a citizen for nucleic acid test at a testing site in Binhai New Area in north China's Tianjin, Jan. 9, 2022.

The Chinese city of Tianjin started a new round of testing of its 14 million residents on Wednesday to block the omicron variant, as financial analysts warned of the growing economic costs on China of curbs to extinguish clusters of infections.

China, which has stuck to what is effectively a "zero-Covid" policy, is scrambling to prevent the spread of the highly infectious omicron variant ahead of the Lunar New Year holiday later this month and as Beijing prepares to stage the Winter Olympics from Feb. 4.