Armenian Prime Minister Nikol Pashinyan comforts a woman during a march of remembrance of the heroes killed in a war over the Nagorno-Karabakh region, in Yerevan, Armenia, Saturday, December 19, 2020. Both opponents and supporters of Armenia's prime minister rallied Saturday as the nation paid tribute to the thousands who died in fighting with Azerbaijan over the region of Nagorno-Karabakh. Critics demanded that the leader resign and tried to pelt him with eggs. (Photo by Tigran Mehrabyan/PAN Photo via AP Photo)





People attend a drive through COVID-19 testing station at a beach in Sydney, Australia, Saturday, December 19, 2020. Sydney's northern beaches will enter a lockdown similar to the one imposed during the start of the COVID-19 pandemic in March as a cluster of cases in the area increased to more than 40. (Photo by Mark Baker/AP Photo)





A health worker in personal protective equipment (PPE) checks the temperature of passengers amid the spread of the coronavirus disease (COVID-19), at a railway station in Mumbai, India, December 19, 2020. India's coronavirus cases have crossed 10 million with new infections dipping to their lowest levels in three months, as the country prepares for a massive COVID-19 vaccination in the new year. (Photo by Francis Mascarenhas/Reuters)





A medical staff member receives a COVID-19 coronavirus vaccine at the Ichilov Hospital in Tel Aviv, Israel, Sunday, December 20, 2020. (Photo by Ariel Schalit/AP Photo)





Roberto is getting a massage in the street in Mexico City, Saturday, December 18, 2020. After months of resisting to avoid hurting the economy, officials banned all non-essential activities starting Saturday and returned to a partial lockdown in Mexico City and the surrounding State of Mexico because of a spike in coronavirus cases that has crowded hospitals. (Photo by Ginnette Riquelme/AP Photo)





A member of the medical staff, wearing a mask for protection against the COVID-19 infection, scans a label on a refrigerator that will be used for storing COVID-19 vaccines, at the National Center for Storage of the COVID-19 Vaccine, a military run facility, in Bucharest, Romania, on December 18, 2020. (Photo by Andreea Alexandru/AP Photo)





People who were just tested for COVID-19 wait in line to make payment for the test at a private laboratory in Johannesburg, South Africa, Saturday December 19, 2020. South Africa is bracing for its second wave, as many people will travel across provinces for vacations and visiting their families. (Photo by Jerome Delay/AP Photo)





People stand in lines to get COVID-19 tests in Samut Sakhon, South of Bangkok, Thailand, Sunday, December 20, 2020. Thailand reported more than 500 new coronavirus cases on Saturday, the highest daily tally in a country that had largely brought the pandemic under control. (Photo by Jerry Harmer/AP Photo)





Police officers talk to a man during a curfew check at night in the Gorbitz district in Dresden, Germany, Saturday, December 19, 2020. A hard lockdown has come into force in Germany to contain the coronavirus pandemic. (Photo by Robert Michael/dpa via AP Photo)





People line up for a free dinner at a soup kitchen in Mexico City, Saturday, December 19, 2020, amid the COVID-19 pandemic. This soup kitchen is operated by neighbors who are in charge of preparing food and serving it to the public for free. The Secretariat of Inclusion and Social Welfare of Mexico City started its soup kitchen program in 2009. (Photo by Ginnette Riquelme/AP Photo)





Motorists wait to cross the Croatian border from Slovenia, at Bregana border crossing, western Croatia, Saturday, December 19, 2020. Balkan citizens going home from Western Europe for holidays have created huge traffic jams at border crossings despite coronavirus restrictions meant to discourage travel for Christmas and the New Year. Huge lines of cars have formed on the borders between Slovenia and Croatia as well as Hungary and Serbia as thousands of people waited for hours Saturday to cross. (Photo by AP Photo/Stringer)





A taxi driver holds a Union flag themed umbrella as he walks towards his Union flag themed taxi in Mayfair, ahead of the new Tier-4 restriction measures, in London, Saturday, December 19, 2020. Britain's Prime Minister Boris Johnson says Christmas gatherings cannot go ahead and non-essential shops must close in London and much of southern England as he imposed a new, higher level of coronavirus restrictions to curb rapidly spreading infections. (Photo by Alberto Pezzali/AP Photo)





Christmas cards and costumes are displayed in the window at Mid Central Printing & Mailing store in Wilmette, Ill., Friday, December 18, 2020. Isolated by the coronavirus pandemic, Americans are sending more Christmas and holiday cards to stay in touch this year. (Photo by Nam Y. Huh/AP Photo)





Santa Claus wears a mask as he pushes a sleigh full of curbside grocery orders to an Aldi customer at a parking lot in Palatine, Ill., Saturday, December 19, 2020. For this weekend only, Santa Claus is delivering groceries to Aldi customers in Palatine and several other towns in the Chicago area. (Photo by Nam Y. Huh/AP Photo)