Several U.S. states, many of them in the Midwest, reported record single-day increases in COVID-19 infections on Thursday, further evidence that the pandemic is accelerating anew as cooler weather takes hold in many parts of the country. Indiana, North Dakota, Illinois, Montana, Oklahoma, Utah and Ohio posted daily records on Thursday, according to a Reuters analysis, while Florida reported more than 5,500 new cases, its highest single-day increase since Aug. 15. Twenty-eight states have reported their daily record high of COVID-19 cases in the month of October alone.