Coronavirus: US has now most confirmed Covid-19 cases in world Updated : March 27, 2020 08:23 AM IST The United States surpassed China (81,285) and Italy (80,589) in terms of number of people infected with the novel coronavirus. With at least 263 deaths, the US also reported most number of fatalities due to the contagion on a single day on Thursday. US President Donald Trump attributed the spike in the confirmed cases of coronavirus to the large-scale testing of the deadly disease.