"While the delta variant has driven up pediatric hospitalizations, there is no indication that the highly infectious variant is causing more severe cases in children and teens than earlier versions of the virus. Signs of severe disease in that age group were about the same this summer as they were earlier in the pandemic, the CDC said."
But mask up and mandate vaccines
https://www.washingtonpost.com/nation/2021/09/03/covid-delta-variant-live-updates/