A robot used to assist Covid-19 patients is seen in an elevator on December 5, 2020 in New Delhi, India. The “Mitra” robot can connect patients with their loved ones, and can assist healthcare workers on the frontlines of the pandemic by minimisng the risk of infections caused by close contact. The Yatharth Hospital, which is treating Covid-19 patients in Noida, on the outskirts of New Delhi, is one of a handful of hospitals in India that has started to use robots. (Photo by Anindito Mukherjee/Getty Images)

A member of the public wears a pandemic face mask ahead of the prime minister announcing the government's Covid-19 winter strategy on September 13, 2021 in Manchester, England. Tomorrow, British Prime Minister Boris Johnson will set out his plan to manage Covid-19 through the winter, including what actions would need to be taken if the NHS hospital system were at risk of being overwhelmed. (Photo by Christopher Furlong/Getty Images)

Zoo keepers feed crocodiles in their enclosure at the Madras Crocodile Bank, closed due to the outbreak of coronavirus disease (COVID-19), in Mahabalipuram, India, August 3, 2020. (Photo by P. Ravikumar/Reuters)

A man prepares cookies at a small traditional factory for the Eid al-Adha, amid the spread of the coronavirus disease (COVID-19), in Kabul, Afghanistan on July 29, 2020. (Photo by Mohammad Ismail/Reuters)

A girl picks catkins at a field amid the COVID-19 pandemic in Sarighat, on the outskirts of Dhaka, Bangladesh, October 2, 2020. (Photo by Mohammad Ponir Hossain/Reuters)

People play with toy guns outside a bar at night, almost a year after the global outbreak of the coronavirus disease (COVID-19) in Wuhan, Hubei province, China on December 11, 2020. (Photo by Aly Song/Reuters)

A performer wears a face shield at a shopping center on New Year's Eve during the coronavirus disease (COVID-19) outbreak, in Bangkok, Thailand on December 31, 2020. (Photo by Soe Zeya Tun/Reuters)

A woman wearing a face mask to protect against the spread of COVID-19 walks past a mask clad Acrocanthosaurus display at the Witte Museum, Thursday, January 28, 2021, in San Antonio. (Photo by Eric Gay/AP Photo)