China's zero-Covid policy has been among the strictest approaches to tackling the pandemic anywhere in the world. But a recent surge in infections is forcing it to reconsider how it deals with the pandemic. The latest jump in daily cases, widely spread across the country, has been driven largely by the Omicron variant. Tens of millions of people in China, including the entire north-eastern province of Jilin, and the tech-hub city Shenzhen in the south, have been ordered into lockdown. Shanghai, China's largest city, has become the latest city to join the list after battling the new wave for nearly a month.