A health worker shows an empty syringe after inoculating a woman with AstraZeneca's COVID-19 vaccine during the first day of a nationwide three-day vaccination drive at a school in Quezon city, Philippines on Monday, November 29, 2021. There has been no reported infection so far caused by the new variant in the Philippines, a Southeast Asian pandemic hotspot where COVID-19 cases have considerably dropped to below 1,000 each day in recent days, but the emergence of the Omicron variant has set off a new alarm. (Photo by Aaron Favila/AP Photo)

Dancer of the Berlin State Ballet (Staatsballett Berlin) wear face masks as they perform during the dress rehearsal of Don Quixote in a production choreographed by Victor Ullate, amid the coronavirus disease (COVID-19) pandemic at Deutsche Oper opera house in Berlin, Germany, December 1, 2021. (Photo by Fabrizio Bensch/Reuters)

Australia's Nicholas Timmings competes in the men's Skeleton World Cup in Altenberg, eastern Germany, on December 3, 2021. (Photo by Tobias Schwarz/AFP Photo)

Kite-surfers practice in a water reservoir at the shores of the Mediterranean sea close to the southern Israeli kibbutz of Ziqim during stormy weather, on December 20, 2021. (Photo by Menahem Kahana/AFP Photo)

Divers wearing mermaid costumes take part in the first Chinese Mermaid Performance Contest at Atlantis resort on December 21, 2021 in Sanya, Hainan Province of China. (Photo by Luo Yunfei/China News Service via Getty Images)

A Chinese tourist visits the Mutianyu Great Wall covered in snow on February 23, 2021 in Beijing, China. Affected by the new coronavirus (COVID-19), the number of visitors to Mutianyu Great Wall in 2020 dropped by about 60%. (Photo by Lintao Zhang/Getty Images)

Mailin Gobbo reacts as she leaves the courtroom after hearing a judge acquit former Catholic Priest Carlos Eduardo Jose, who she says sexually abused her for years when she was an adolescent, in San Martin, Argentina, Tuesday, March 9, 2021. The court acquitted the 62-year-old, citing the statute of limitations had run out. (Photo by Natacha Pisarenko/AP Photo)

A model presents a creation from the “Remembranzas y Colores” collection by Mexican designer Carlos Pineda with textures and prints honouring Mexico, during the first day of the 76th edition of Intermoda in Guadalajara, state of Jalisco, Mexico, on January 18, 2022. (Photo by Ulises Ruiz/AFP Photo)