A group of doctors is urging top government officials to quickly reverse recommendations that have left children in isolation for days and advice that virtually every child get a COVID-19 vaccine. “We strongly urge you to revise the CDC’s COVID-19 guidelines with regards to testing, isolation, and vaccine recommendations for children to ensure that public health policies are not doing more harm than good,” the group, Urgency of Normal, wrote in a June 21 open letter to Dr. Ashish Jha, the White House’s COVID-19 response coordinator, and Dr. Rochelle Walensky, the director of the Centers for Disease Control and Prevention...