A woman receives the Pfizer-BioNTech coronavirus disease (COVID-19) vaccine at Santa Maria hospital in Lisbon, Portugal, December 27, 2020.

Trialist Pavel Prikhodko attempts to pull an An-2 plane as a cat walks nearby during a charity event near the village of Tatarka in Stavropol Region, Russia December 27, 2020.

An employee prepares to shutter a store as Israel imposes a third national lockdown to fight climbing coronavirus disease (COVID-19) infections, in Tel Aviv, Israel December 27, 2020.

A passenger is seen at the check-in area of the international flight terminal at Tokyo International Airport, commonly know as Haneda airport, amid the coronavirus disease (COVID-19) outbreak, in Tokyo, Japan December 28, 2020.

People gather near an illuminated installation depicting polar bears ahead of the New Year and Christmas holiday season in a park in Moscow, Russia December 28, 2020.

Migrants rest in a temporary shelter at migrant center "Lipa" during snowfall and freezing temperatures in Bihac, Bosnia and Herzegovina December 27, 2020.

Nurse Elena Betti reacts after receiving the Pfizer-BioNTech COVID-19 vaccine against the coronavirus disease at the Careggi hospital in Florence, Italy, December 27, 2020.

A worker and an empty hospital bed are seen outside a 50-bed field hospital for COVID-19 patients under construction at the University of California, Irvine Medical Center as the coronavirus disease outbreak continues in Orange, California, U.S., December 27, 2020.

Lorries queue on the M20 motorway as part of Operation Stack following the coronavirus disease (COVID-19) outbreak, near Harrietsham, Britain, December 27, 2020.

Soccer Football - Premier League - Liverpool v West Bromwich Albion - Anfield, Liverpool, Britain - December 27, 2020 West Bromwich Albion's Sam Johnstone makes a save from Liverpool's Roberto Firmino Pool via REUTERS/Clive Brunskill

Green Bay Packers running back Aaron Jones (33) rushes with the football during the first quarter againstEthe Tennessee Titans at Lambeau Field. Mandatory Credit: Jeff Hanisch-USA TODAY

Nurses greet soldiers arriving with vials of the Pfizer-BioNTech COVID-19 vaccine against the coronavirus disease in Florence, Italy, December 27, 2020.

Patients wait in the observation room after receiving the Pfizer-BioNTech COVID-19 vaccine at the care home DRK-Seniorenwohnpark Grossraeschen, as the coronavirus disease (COVID-19) outbreak continues in Grossraeschen, Germany, December 27, 2020.

A health care worker reacts after receiving the Pfizer-BioNTech COVID-19 vaccine as the country begins vaccinations against coronavirus disease, at the Hospital Favoriten in Vienna, Austria December 27, 2020.

Two men wait for their vaccine against the coronavirus disease (COVID-19) at the Treptow Arena vaccination center in Berlin, Germany December 27, 2020. Markus Schreiber/Pool via REUTERS

People look towards Canary Wharf from Greenwich Park in London, Britain December 27, 2020.

The Shard skyscraper is covered in fog in London, Britain, December 28, 2020.

A girl takes a picture of the first fully automated driverless Delhi metro train during its inauguration in New Delhi, India, December 28, 2020.

A person walks through the grounds of the Parish Church of Saint Mary and All Saints, in Whitmore, Staffordshire, Britain, December 28, 2020.

The Duomo Cathedral is seen during a snowfall, in Milan, Italy December 28, 2020.

U.S. President Donald Trump plays golf at the Trump International Golf Club in West Palm Beach, Florida, U.S., December 28, 2020.

Handball - EHF FINAL4 Men's Handball Champions League - Semi Final - FC Barcelona HB v Paris St Germain Handball - Lanxess Arena, Cologne, Germany - December 28, 2020 Barcelona's Ludovic Fabregas scores a goal.

Handball - EHF FINAL4 Men's Handball Champions League - Semi Final - THW Kiel v Telekom Veszprem HC - Lanxess Arena, Cologne, Germany - December 28, 2020 Veszprem's Petar Nenadic takes a free throw.

Ski Jumping - Four Hills Tournament - Oberstdorf, Germany - December 28, 2020 A forerunner in action before the start.

Doctor Giovanni Di Perri receives a box with the Pfizer-BioNTech coronavirus disease (COVID-19) vaccine at Amedeo di Savoia hospital in Turin, Italy, December 27, 2020.

U.S. President Donald Trump is silhouetted inside his vehicle while departing his Mar-a-Lago resort in Palm Beach, Florida, U.S., December 27, 2020.

Soccer Football - Premier League - Wolverhampton Wanderers v Tottenham Hotspur - Molineux Stadium, Wolverhampton, Britain - December 27, 2020 Tottenham Hotspur's Pierre-Emile Hojbjerg reacts Pool via REUTERS/Carl Recine