Fauci, head of the National Institute of Allergy and Infections Diseases, spoke via video conference Monday to physicians and medical students at New Hampshire's Dartmouth-Hitchcock Medical Centre.He said while the nation's “default principle" should be that children return to school, “to say that every child has to go back to school is not really realising the fact that we have such a diversity of viral activity." He said there may be some areas where the level of virus is so high that it would not be prudent to bring children back to school.Determined to reopen America's schools despite coronavirus worries, President Donald Trump recently threatened to hold back federal money if school districts don't bring their students back in the.