Covid-19 cases are declining but remain high among children. Here's what the US needs to do to end the surge

After weeks of a troubling Covid-19 surge across the US, infection rates are finally on the decline -- but experts say there's still work to be done before the tide can be turned, especially when cases remain exceptionally high among children. 'I am worried that we still have some tough days ahead,' said Dr. Ashish Jha, the Dean at Brown University School of Public Health. 'Even though we're doing reasonably well on vaccines, we've got to do much better because the Delta variant is very good at finding people who are unvaccinated and infecting them.'