Gather, that if they did catch the virus, it's not so bad in children. >> reporter: according to the american academy of pediatrics, nationwide there were nearly 226,000 new cases of covid-19 reported in children during the week that ended september 16. public health officials warn covid-19 cases could continue to rise now that so many schools have returned to in-person learning. >> we see more infections, more outbreaks in school settings. that's going to continue to build. schools will become sources of spread here in the northeast as well. >> reporter: like in new york where public school i...