First Thing: health experts warn of rising Covid rates among US schoolchildren

Hundreds of thousands of children in the US are testing positive for Covid-19, the highest rate since the start of the pandemic. Plus, Joe Biden asks former Trump associates to step down from advisory roles.

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Good morning.

While many parents might be relieved to be sending their children off to school this week, health experts are highlighting a troubling trend: hundreds of thousands of them are testing positive for Covid.