A flight crew from China Airlines, wearing protective masks, stand in the international terminal after arriving on a flight from Taipei at Los Angeles International Airport (LAX) on February 28, 2020 in Los Angeles, California. The World Health Organization (WHO) has raised the global coronavirus risk level to “very high”. (Photo by Mario Tama/Getty Images)

A government employee reacts as she is sprayed with disinfectant before entering a government office building to curb the spread of COVID-19 on March 19, 2020 in Pasig city, Metro Manila, Philippines. The Philippine government has sealed off Luzon, the country's largest and most populous island, to prevent the spread of COVID-19. Land, sea, and air travel has been suspended, while government work, schools, businesses, and public transportation have been ordered shut in a bid to keep some 55 million people at home. The Philippines' Department of Health has so far confirmed 217 cases of the new coronavirus in the country, with at least 17 recorded fatalities. (Photo by Ezra Acayan/Getty Images)

Indian Christians take part in Christmas prayers at the Infant Jesus church in Bangalore, India, 25 December 2020. Most Christians celebrate Christmas on 25 December to commemorate the birth of Jesus, the central figure of Christianity. (Photo by Jagadeesh N.V./EPA/EFE)

Young women wearing facemasks and traditional costumes of Song dynasty and Tang dynasty are seated on a bench in a park next to the East Lake in Wuhan, in China’s central Hubei province on May 17, 2020. The Guardian picture desk has chosen on December 17, 2020, the AFP photojournalist Hector Retamal as “Agency Photographer of the Year 2020” for his coverage of the novel coronavirus Covid-19 pandemic in Wuhan, China. (Photo by Hector Retamal/AFP Photo)

A man bathes in an ice hole in the Neva River in St. Petersburg, Russia, Wednesday, January 13, 2021. The temperature in St. Petersburg is –15C ( 5 °F). (Photo by Dmitri Lovetsky/AP Photo)

Residents wearing masks to protect from the coronavirus cross a junction in Beijing on Wednesday, January 20, 2021. (Photo by Ng Han Guan/AP Photo)

A Chicago Police Officer runs toward gunfire as looters break into downtown stores in the early hours of the morning on August 10, 2020. (Photo by RMV/Rex Features/Shutterstock)

A reveller wears a carnival mask in St. Mark's Square to celebrate Venice's annual colourful carnival, which has been cancelled this year due to the coronavirus disease (COVID-19) pandemic, in Venice, Italy, February 7, 2021. (Photo by Manuel Silvestri/Reuters)