Students must have their temperatures checked at school gates and show 'green' health codes on an app that calculates a person's infection risk, according to China's Ministry of Education.
Children in China's two most important cities went back to school Monday after more than three months at home, as coronavirus restrictions eased and governments around the world began charting a path out of the pandemic lockdown.
Europe's four worst-affected countries all reported marked drops in their daily death tolls, offering hope that the outbreak may have peaked in some places -- at least for now.
But leaders and experts remain divided on how quickly to revive shuttered economies while maintaining a delicate balance between freedom and safety.