Biden confirms former campaign manager Jen O'Malley Dillon will serve as a deputy chief of staff

US president-elect Joe Biden has announced top White House staff positions, drawing from the senior ranks of his campaign and some of his closest confidants.

Louisiana Representative Cedric Richmond says he will be giving up his seat in Congress to become a senior adviser to Biden and director of the White House Office of Public Engagement.

Biden has also confirmed that former campaign manager Jen O'Malley Dillon will serve as a deputy chief of staff.

Dr. Anthony Fauci recommends "uniform wearing of masks"

Dr. Anthony Fauci is recommending "uniform wearing of masks" to help curb the surge of coronavirus cases in the United States.

The nation's top infectious disease expert told CNN on Tuesday that "we need to intensify public health strategies," which include wearing masks, washing hands and avoiding places where people gather.

The U.S hit a record daily high of more than 184,000 coronavirus cases on Friday, according to a tally by Johns Hopkins University.