According to new research, crowded indoor venues have been responsible for eight out of 10 new coronavirus infections.The study, from the journal "Nature," used cell phone data to track 98 million people in 10 U.S. cities.That research was published as officials throughout the country confront surging case numbers.As a result, indoor group activities are facing new restrictions in an attempt to slow the virus' spread.Unsurprisingly, there has been some pushback from advocates for the restaurant industry.But despite the devastating impact, if the numbers of new cases don't decrease, indoor dining will remain problematic
