A student wearing a face mask prays before the start of the annual college entrance examination amid the coronavirus pandemic at an exam hall in Seoul, South Korea, Thursday, December 3, 2020. South Korean officials are urging people to remain at home if possible and cancel gatherings as about half a million students prepare for a crucial national college exam. (Photo by Kim Hong-Ji/Pool Photo via AP Photo)

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)

Costumed revelers walk through a street prior to the carnival parade in the village of Vevcani, in the southwestern part of North Macedonia, on Wednesday, January 13, 2021. The coronavirus pandemic has disrupted the usual carnival celebrations which have been taken place for centuries in the tiny North Macedonian town of Vevcani. A few hundred locals gathered at the small town square to celebrate the carnival, but police dispersed the gathering after a brief scuffle with a small group. No arrests or injuries were reported. (Photo by Boris Grdanoski/AP Photo)

Muslim girls are seen after prayers, in Lagos, Nigeria, Friday, July 31, 2020. Small groups of pilgrims performed one of the final rites of the Islamic hajj on Friday as Muslims worldwide marked the start of the Eid al-Adha holiday amid a global pandemic that has impacted nearly every aspect of this year's pilgrimage and celebrations. The last days of hajj coincide with the four-day Eid al-Adha, or “Feast of Sacrifice”, in which Muslims slaughter livestock and distribute the meat to the poor. (Photo by Sunday Alamba/AP Photo)

Students at Godolphin School, Salisbury, England, receive their A-Level results on Thursday August 13, 2020. Thousands of school-leaving children in Britain have been left distraught after finding out Thursday that they were given lower-than-expected grades, with many questioning how the results were calculated after the coronavirus pandemic cancelled exams key for college applications. (Photo by Russell Sach/The Telegraph)

Women wearing traditional dresses dance next to Cathedral–Mosque of Cordoba, Andalusia, Spain, 26 May 2021, to celebrate the Cordoba Fair that was suspended due to coronavirus COVID-19 pandemic for a second consecutive year. The Cordoba Fair is held every year in May for a week during which flamenco, food, and wine are the main attractions for thousands of people. (Photo by Salas/EPA/EFE)

Andy Saturn dressed in a space outfit walks in through a subway station over memorial day weekend on May 29, 2021 in New York City. On May 19, 2021 all pandemic restrictions, including mask mandates, social distancing guidelines, venue capacities and restaurant curfews were lifted by New York Governor Andrew Cuomo. (Photo by Alexi Rosenfeld/Getty Images)

Father Felix Mendoza, a Venezuelan Catholic priest, center, prays over a woman who cries, saying she is in physical pain, at a public hospital in Caracas, Venezuela, Tuesday, May 11, 2021, amid the new coronavirus pandemic. Father Felix has been visiting patients at the hospital to comfort the sick, for the last 20 years. (Photo by Ariana Cubillos/AP Photo)