The U.S. reported nearly half a million new COVID infections in a single day, marking the largest daily total of any country during the pandemic. More than 486,000 new cases were reported in a 24-hour period, the Centers for Disease Control and Prevention said Thursday. Fifteen states reported a record-high number of average daily infections: Connecticut, Delaware, Florida, Georgia, Hawaii, Illinois, Maryland, Massachusetts, New Jersey, New York, Ohio, Pennsylvania, Rhode Island, Virginia and Washington. Puerto Rico and Washington, D.C., are also averaging more daily cases than ever. With COVID-19 cases rising so fast, fueled by the rapid spread of the...