A staff member, wearing a face mask following the coronavirus disease (COVID-19) outbreak, looks at a robot at the venue for the World Artificial Intelligence Conference (WAIC) in Shanghai, China on July 9, 2020. (Photo by Aly Song/Reuters)

German President Frank-Walter Steinmeier struggles with his glasses and face mask as he attends a press conference after visiting the Salzburg Festival in Salzburg, Austria, Saturday, August 22, 2020. (Photo by Kerstin Joensson/AP Photo)

An Iranian girls a bag of goldfish ahead of Nowruz, the Iranian New Year, in Tehran, Iran on March 17, 2021. (Photo by Majid Asgaripour/WANA (West Asia News Agency) via Reuters)

A man wears a gas mask as he holds a bouquet of flowers, following the outbreak of the novel coronavirus on Valentine’s Day in Hong Kong, China on February 14, 2020. (Photo by Tyrone Siu/Reuters)

A mobile phone showing the time at noon, is displayed for a photo in front of an almost empty road with low traffic, during the coronavirus disease (COVID-19) outbreak, in Wuhan, Hubei province, China, March 31, 2020. (Photo by Aly Song/Reuters)

A volunteer tries out a protective suits for health workers, at the International Islamic University Malaysia in Gombak, outskirts of Kuala Lumpur, Malaysia Friday, April 10, 2020. The Malaysian government issued a restricted movement order to the public for the rest of the month to help curb the spread of the new coronavirus. (Photo by Vincent Thian/AP Photo)

In Paris, doctors, orderlies and nurses demonstrated as well as all over France to remind the government of its promises on the hospital, in the middle of the “Segur de la sante” on June 16, 2020. The demonstration brought together several thousand people, with a few clashes on the esplanade des Invalides at the end of the day. (Photo by Jan Schmidt-Whitley/Le Pictorium Agency via ZUMA/Rex Features/Shutterstock)

People assist a woman who was exposed to tear gas by pouring milk over her face after police fired tear gas and water canon to try and disperse protesters outside Parliament on November 17, 2020 in Bangkok, Thailand. The demonstrators gathered outside parliament, on Tuesday, as the Thai government met to discuss amendments to the country's constitution. (Photo by Lauren DeCicca/Getty Images)