A migrant worker wearing face masks to help curb the spread of the coronavirus walks up to a pedestrian bridge in Beijing, Sunday, December 6, 2020. Provincial governments across China are placing orders for experimental, domestically made coronavirus vaccines, though health officials have yet to say how well they work or how they may reach the country's 1.4 billion people. (Photo by Andy Wong/AP Photo)

A woman wears a face mask on her chin and walks past a cake depicting the coronavirus on display at the annual cake show organized as part of new year celebrations in Bengaluru, India, Tuesday, December 29, 2020. India's confirmed 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 Aijaz Rahi/AP Photo)

Festival-goers enjoy a fairground ride at Reading Festival in Reading, west of London, on August 27, 2021. As coronavirus covid-19 infection levels rise across the country, vaccines will be offered to revellers throughout the weekend. The organiser of Reading and Leeds Festivals has said such events are arguably “safer places to be” because attendees have been tested for covid-19. The festivals are returning this year with headliners including Stormzy, after being cancelled last year due to the pandemic. (Photo by Daniel Leal-Olivas/AFP Photo)

A woman taking a nap on mangoes at city market area after the city eased the lockdown in Bangalore, India 12 July 2021. The Karnataka government eases in covid-19 related lockdown restrictions in the wake of lower coronavirus cases and positivity rate falling below 5% percent. The Karnataka state government administering record 2.5-crore doses till date since the vaccination drive was launched across the state on January 16, Karnataka ranked first in South India in inoculating maximum number of its eligible population, said state Health Minister K. Sudhakar. (Photo by Jagadeesh N.V./EPA/EFE)

Polish police in riot gear detain protesters, angry over new restrictions aimed at fighting the coronavirus pandemic, in Warsaw, Poland, Saturday, October 24, 2020. The protesters included entrepreneurs, far-right politicians, football fans and vaccine opponents. The clashes come amid rising social tensions and as new restrictions just short of a full lockdown took effect Saturday. (Photo by Czarek Sokolowski/AP Photo)

Spectators pose for a photo upon entry for Derby Day at Flemington Racecourse on October 30, 2021 in Melbourne, Australia. Victoria's COVID-19 restrictions have eased to allow spectators to return to Flemington racecourse for the first time since 2019. (Photo by Asanka Ratnayake/Getty Images)

A flock of sheep and goats is led by shepherds to pastures at a mountain village on the outskirts of Sana'a, Yemen, 27 July 2023. At least eight million sheep and goats from about 470,000 pastoralist and agro pastoralist households across Yemen will be treated and vaccinated over the two years 2023 and 2024, in an effort to reduce livestock losses, improve production efficiency, and household income generation amid an acute food insecurity, the UN Food and Agriculture Organization (FAO) has reported. (Photo by Yahya Arhab/EPA)

Wrestlers participate during the traditional Sindhi Malakhra wrestling in Larkana, Pakistan, 30 January 2021. A Malakhra match begins with both wrestlers tying a twisted cloth around the opponent's waist. Each one then holds onto the opponent's waistcloth and tries to throw him to the ground. (Photo by Waqar Hussein/EPA/EFE)