Covid-19 case rates among children track much more consistently with overall case rates in a state than with trends in in-person learning in K-12 schools, according to a CNN analysis of state-level data. The five states with the least Covid-19 cases per 100,000 residents are also the five states with the lowest case rates among children … Similarly, four of the five states with the most Covid-19 cases per 100,000 residents are also those with the highest case rates among children…