Australian Prime Minister Scott Morrison on Wednesday warned its citizens not to travel abroad and banned "non-essential" gatherings of 100 people or more as the government declared the deadly coronavirus, that has infected over 450 people in the country, a "human biosecurity emergency".

The number of deaths due to the new coronavirus in the US has reached 105, with the outbreak spreading to all 50 states, even as President Donald Trump mounted a warlike effort to contain the situation, including an economic stimulus package of USD1 trillion.

The United States has began restricting citizens' movements in a major escalation of attempts to contain the deadly coronavirus pandemic, as President Donald Trump warned the crisis could last well into the summer.

China on Monday announced plans for an orderly withdrawal of thousands of medical staff deployed in the worst-hit Wuhan city as a top medical expert said the coronavirus outbreak has "almost seen its end" in the country but a final judgement would be made after a month.

Global governments must work together to provide massive spending as in the 2008 financial crisis to help the economy withstand the damage from the coronavirus pandemic, IMF chief Kristalina Georgieva said on Monday.

Iran announced on Sunday that the new coronavirus has killed 113 more people, the highest single-day death toll yet in one of the world's worst-affected countries.

With the threat of coronavirus looming large, the Ministry of External Affairs has pulled out all the stops to ensure the safety of Indians abroad and set up a special cell to coordinate the issues related with the response to the pandemic that has claimed more than 5,000 lives worldwide.

US President Donald Trump has tested negative for the novel coronavirus, the White House physician said, hours after his administration declared the COVID-19 pandemic a national emergency on Friday.