<span style="color: #222222;">US President Donald Trump has described the COVID-19 pandemic as the "worst attack" ever on the United States.<br />''<br />''Mr Trump said, the pandemic had hit the US harder than the Japanese bombing of Pearl Harbor in World War Two, or the 9/11 attacks two decades ago.<br />''<br />''His administration is weighing punitive actions against China over its early handling of the virus outbreak.<br />''<br />''Since emerging in China at the end of last year, the coronavirus is confirmed to have infected close to 1.2 million Americans, with 73,000 casualties so far.</span><br />