US President-elect Joe Biden/CNN

US President-elect Joe Biden has pledged to reassert the United States' leadership role on the global stage through a series of day-one executive actions that would mark a drastic turn from outgoing President Donald Trump's policies.

Iran PressAmerica: Now that Biden has defeated Trump, his transition team is beginning to turn his campaign-trail promises into plans he can implement early in his presidency.

Biden's first focus is likely to be the worsening coronavirus pandemic. He is set to name a 12-person coronavirus task force on Monday, two sources with knowledge of his plans said. Biden also said during the campaign that he will speak with Dr. Anthony Fauci, the government's top infectious diseases expert, before taking office.

He is also poised to enact a series of executive actions that would undo many of Trump's foreign policy actions and seek to rapidly return the United States to its status at the end of former President Barack Obama's administration four years earlier.

Joseph Robinette Biden Jr. has been named winner of the 2020 presidential election, defeating Trump after a long, bitterly contested count.

Biden, who turns 78 at the end of this month, will become the 46th president of the US.

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Biden transition team's work underway

Joe Biden has been named winner of the 2020 presidential election