China battling new Covid outbreak among schoolchildren

Southern Chinese cities have closed schools and ordered testing for millions in a race to curb a new Covid-19 outbreak which has sparked concerns over infections among unvaccinated schoolchildren. Putian, a city of 3.2 million in coastal Fujian province, ordered testing of all residents after Delta variant cases linked to a returnee from Singapore ballooned into a province-wide outbreak of more than 100 people. China has now been hit by multiple outbreaks of the highly contagious Delta variant after initially vanquishing the first wave of the coronavirus last year. The Fujian cluster is the biggest rebound in weeks and comes…