U.S. coronavirus cases top 1 million as projected death toll rises

U.S. cases of the novel coronavirus topped 1 million on Tuesday, having doubled in 18 days, and making up one-third of all infections in the world, according to a Reuters tally. More than 56,500 Americans have died of the highly contagious respiratory illness COVID-19 caused by the virus, an average of about 2,000 a day this month, according to the tally.