The U.S. death toll from coronavirus is a number of epic proportions: more than 100,000. But health officials believe that even that staggering number may be an undercount due to testing shortages and incomplete reporting of cases. Meanwhile, the pandemic's economic fallout continues to grow, with another 2.1 million Americans filing for unemployment in the past week. John Yang reports. PBS NewsHour is supported by - https://www.pbs.org/newshour/about/funders