FILE - In this Aug. 31, 2021, file photo, Dr. William Dittrich M.D. looks over a COVID-19 patient in the Medical Intensive care unit (MICU) at St. Luke's Boise Medical Center in Boise, Idaho. The summer that was supposed to mark America’s independence from COVID-19 is instead drawing to a close with the U.S. more firmly under the tyranny of the virus, with deaths per day back up to where they were in March 2021. (AP Photo/Kyle Green, File)