U.S. House of Representatives Speaker Nancy Pelosi has endorsed Joe Biden for president, joining a list of top Democrats, who have recently thrown their support behind the former vice president. 

"Today I am proud to endorse Joe Biden for president of the United States because he will be an extraordinary president," Pelosi said in a video statement released on Monday. "He knows how to get the job done." 

Pelosi's endorsement of the Democratic presidential candidate follows that of U.S. Senators Elizabeth Warren and Bernie Sanders, former President Barack Obama and former Vice President Al Gore, who all threw their weight behind Biden earlier this month. 

Pelosi cited Biden's experience in government, including his role in passing the Affordable Care Act, as an evidence of his leadership qualities.

Biden is well-positioned to lead the country amid the ongoing coronavirus outbreak, Pelosi said. "As we face coronavirus, Joe has been a voice of reason and resilience, with a clear path to lead us out of this crisis."

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Besides current and past Democratic leaders, Biden has also won endorsements from some other key stakeholders like Washington state Governor Jay Inslee, a prominent climate change campaigner, and the 400,000-member United Auto Workers union. 

The endorsements have given Biden a series of headlines at a time when his campaign is effectively on hold due to the coronavirus outbreak – and when U.S. President Donald Trump has captured media attention with his combative White House briefings. 

The Democrats are eager to project unity heading into the presidential race against Trump for the November 3 general election. 

(With input from Reuters, AFP)