Infections in children are highest in areas with low vaccination rates and where schools don’t follow CDC mask guidelines.

As millions of children head back to school across the US, health experts are highlighting a troubling trend: hundreds of thousands of them are testing positive for Covid.

More than 250,000 children had new cases in the last week of August, the American Academy of Pediatrics said in a report published on Tuesday. That’s the highest weekly rate of new pediatric cases since the pandemic began, and it’s a 10% increase in two weeks.

With slightly more than 1m new Covid cases reported in the US during that period, that means one of every four new cases in the country was among children. Read more at the Guardian.