U.S. hotspots grow as virus cases surpass 620,000 globally

As confirmed coronavirus cases in the United States led the world — with more than 105,000 infections — cities such as Detroit, Chicago and New Orleans grew as hotspots Saturday, while the virus continued to pummel New York City and also made its way into rural America.The number of worldwide infections surpassed 620,000 with more than 28,000 deaths as new cases also stacked up quickly in Europe, according to a tally by John Hopkins University.While the U.S. now leads the world in re