SQUAWK BOX, FRIDAY 18TH DECEMBER, 2020

U.K. Prime Minister Boris Johnson has warned talks over a Brexit trade deal are in a "serious situation." This, after a phone call with EU Commission President Ursula von der Leyen, who added "big differences" remain between the two sides despite progress on several key issues. French President Emmanuel Macron has a fever and a cough after he tested positive for coronavirus. That's according to the Elysee Palace, which says the President will isolate for a week while continuing to work remotely. The U.S. Food and Drug Administration's vaccine panel has overwhelmingly backed Moderna's vaccine candidate for emergency use - a move that could see it distributed for public use as soon as next week