Students walk into the campus of a high school in Bazhou District, Bazhong City, southwest China's Sichuan Province, April 1, 2020. More than 450,000 students in the final year of senior high schools in Sichuan returned to school on Wednesday. (Photo by Xinhua News Agency/Rex Features/Shutterstock)





Health workers applaud as people react from their houses in support of the medical staff that are working on the COVID-19 virus outbreak at the Gregorio Maranon hospital in Madrid, Spain, Wednesday, April 1, 2020. (Photo by Manu Fernandez/AP Photo)





People keep their bags inside marked areas on a street as they wait to receive free rice distributed at a government store during a government-imposed nationwide lockdown as a preventive measure against the COVID-19 coronavirus, in Hyderabad on April 1, 2020. (Photo by Noah Seelam/AFP Photo)





Medical staff, wearing protective suits and face masks, work at the intensive care unit for coronavirus disease (COVID-19) patients at Ambroise Pare clinic in Neuilly-sur-Seine near Paris, France, April 1, 2020. (Photo by Benoit Tessier/Reuters)





A resident pays for groceries by standing on a tree stump to peer over barriers set up to ring fence a wet market on a street in Wuhan, Hubei province, China, April 1, 2020. Life in the Chinese city of Wuhan, where the coronavirus first emerged, is slowly returning to normal as the government relaxes a more than two-month-old lockdown that cut the city off from the world and kept most of its 11 million residents at home. (Photo by Aly Song/Reuters)





Janet Woodcock leads a dance class for residents in a street in Frodsham, as the spread of the coronavirus disease (COVID-19) continues, Frodsham, Britain, April 1, 2020. (Photo by Molly Darlington/Reuters)





A bridegroom poses for a photo as he wears a protective face mask at his wedding day amid concerns of any possible spread of the coronavirus disease (COVID-19), in Sanaa, Yemen on April 1, 2020. (Photo by Khaled Abdullah/Reuters)





A bronze theatre mask on Edinburgh's Royal Mile, in Edinburgh, Scotland, Wednesday April 1, 2020. Every August, the Scottish capital of Edinburgh plays host to some of the funniest and talented – not to forget the strangest – artists from the U.K. and the wider world. Not this year, as organizers made the decision Wednesday to cancel the city's festivals as a result of the coronavirus pandemic. (Photo by Jane Barlow/PA Wire via AP Photo)





A woman wears a protective mask as she waits for public transport at a bus stop, during a heavy snowfall in Skopje on April 1, 2020. The coronavirus pandemic has claimed more than 30,000 lives in Europe alone, a global tally showed on April 1, 2020, in what the head of the United Nations has described as humanity's worst crisis since World War II. (Photo by Robert Atanasovski/AFP Photo)





A woman piles up toilet paper at a a “toilet paper drive in” on a parking spot in Dornburg, some 60 km west of Frankfurt, Germany, Wednesday, April 1, 2020. After panic buying due to the coronavirus outbreak toilet paper has become rare and the owner of a pet food shop was able to order thousands of rolls of toilet paper which he sells now outside of his shop. (Photo by Michael Probst/AP Photo)





Nepalese people maintain social distance as they wait to buy daily groceries at fair priced shops opened by government during lockdown in Kathmandu, Nepal, Thursday, April 2, 2020. (Photo by Niranjan Shrestha/AP Photo)





Eusebio Fernandez Cortes, 59, attends the burial of his mother Rosalia Mascaraque, 86, during the coronavirus outbreak in Zarza de Tajo, central Spain, Wednesday, April 1, 2020. Fernandez lost both of his parents within the same week due COVID-19. Intensive care units are particularly crucial in a pandemic in which tens of thousands of patients descend into acute respiratory distress. (Photo by Bernat Armangue/AP Photo)





In this photo provided by the French Army Thursday, April 2, 2020, medical staffs evacuate a patient infected with the Covid-19 virus, Wednesday April 1, 2020 at Orly airport, south of Paris. The operation aims at relieving hospitals in the Paris region, hardly hit by the coronavirus. (Photo by Julien Fechter/DICOD via AP Photo)





Israeli police troops detain an Ultra Orthodox Jewish man as they enforce a partial Coronavirus lockdown in the Mea Shearim nighborhood on March 31, 2020 in Jerusalem, Israel. The Coronavirus (COVID-19) pandemic has spread to many countries across the world, claiming over 30,000 lives and infecting hundreds of thousands more. (Photo by Amir Levy/Getty Images)





A medical worker wearing a full protective outfit tests a man for Covid-19 symptoms in a street in Wuhan, China, 01 April 2020. Wuhan, the epicenter of the coronavirus outbreak, partly lifted the lockdown allowing people to enter the city after more than two months. According to Chinese government figures over 2,500 people have died of Covid-19 in Wuhan since the outbreak began. (Photo by Roman Pilipey/EPA/EFE)





A woman piles up toilet paper at a a “toilet paper drive in” on a parking spot in Dornburg, some 60 km west of Frankfurt, Germany, Wednesday, April 1, 2020. After panic buying due to the coronavirus outbreak toilet paper has become rare and the owner of a pet food shop was able to order thousands of rolls of toilet paper which he sells now outside of his shop. (Photo by Michael Probst/AP Photo)