On Tuesday (March 31), USA's official death toll surpassed China's 3,305 Covid-19 fatalities. With 748 deaths reported on Tuesday, the country's death toll has reached 3,889. Also, 24,742 additional cases were reported in the country, with the total number of infections touching 188,530; which is highest in the world. As on Wednesday, USA accounts for 22 percent of global coronavirus cases and 9.2 percent of fatalities.