Firefighters work on extinguishing a forest fire that started near Xichang in Liangshan Yi Autonomous Prefecture of Sichuan province, China on March 31, 2020. (Photo by Reuters/China Daily)





In this Monday, March 30, 2020 photo, a firefighter battles a forest fire as it approaches a gas station in Xichang in southwestern China's Sichuan Province. More than a dozen of people have died while fighting a raging forest fire in southwestern China and reinforcements were sent to fight the blaze and evacuate nearby residents, officials and state media reported Tuesday. (Photo by Chinatopix via AP Photo)





In this April 1, 2020, photo, a woman waits for her train at a subway station after entering with a green pass in Wuhan in central China's Hubei province. Life in China post-coronavirus outbreak is ruled by a green symbol on a smartphone screen. Green signifies the “health code” that says the user is symptom-free. It is required to board a subway, check into a hotel or enter Wuhan, the city where the global pandemic began. (Photo by Ng Han Guan/AP Photo)





Residents observe social distancing at a park along the Yangtze River in Wuhan in central China's Wuhan province on Wednesday, April 1, 2020. Skepticism about China’s reported coronavirus cases and deaths has swirled throughout the crisis, fueled by official efforts to quash bad news in the early days and a general distrust of the government. In any country, getting a complete picture of the infections amid the fog of war is virtually impossible. (Photo by Ng Han Guan/AP Photo)





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)





In this photo released by Xinhua News Agency, women wearing protective masks to prevent the new coronavirus outbreak chat with each other outside a Lego store at a re-opened commercial street in Wuhan in central China's Hubei province on Monday, March 30, 2020. Shopkeepers in the city at the center of China's virus outbreak were reopening Monday but customers were scarce after authorities lifted more of the anti-virus controls that kept tens of millions of people at home for two months. (Photo by Shen Bohan/Xinhua via AP Photo)





In this February 1, 2020, file photo, funeral home workers remove the body of a person suspected to have died from the coronavirus outbreak from a residential building in Wuhan in central China's Hubei Province. Skepticism about China’s reported coronavirus cases and deaths has swirled throughout the crisis, fueled by official efforts to quash bad news in the early days and a general distrust of the government. In any country, getting a complete picture of the infections amid the fog of war is virtually impossible. (Photo by Chinatopix via AP Photoi/File)





People wearing face masks hug on the East Lake in Wuhan, Hubei province, the epicentre of China's coronavirus disease (COVID-19) outbreak, March 30, 2020. (Photo by Aly Song/Reuters)





Barber Xiong Juan, 39, cuts a customer's hair at a residential compound in Wuhan, March 30, 2020. Xiong, 39, now spends her days riding around on her electric bicycle and offering her services to local residents who like her were stuck at home after authorities ordered the lockdown. (Photo by Aly Song/Reuters)





People with face masks eat outside a McDonald's restaurant in Wuhan, Hubei province, China, March 30, 2020. Wuhan, where the coronavirus outbreak first emerged, began lifting a two-month lockdown on Saturday by restarting some metro services and reopening borders, allowing some semblance of normality to return and families to reunite. (Photo by Aly Song/Reuters)





A woman wearing a face mask gets out through barriers, which have been built to block buildings from a street in Wuhan, Hubei province, the epicenter of China's coronavirus disease (COVID-19) outbreak, March 29, 2020. (Photo by Aly Song/Reuters)





A man wearing a hazmat suit walks on a street in Wuhan, Hubei province, the epicenter of China's coronavirus disease (COVID-19) outbreak, March 28, 2020. (Photo by Aly Song/Reuters)





Students sit in a classroom as grade three students in middle school and high school return after the term opening was delayed due to the COVID-19 coronavirus outbreak, in Huaian in China's eastern Jiangsu province on March 30, 2020. (Photo by AFP Photo/China Stringer Network)





A woman wearing a face mask receives food purchased from a store through barricades set up to block buildings from a street in Wuhan, Hubei province, the epicentre of China's coronavirus disease (COVID-19) outbreak, April 1, 2020. (Photo by Aly Song/Reuters)





A woman and a baby are seen at a window of a blocked residential community in Wuhan, Hubei province, the epicentre of China's coronavirus disease (COVID-19) outbreak, April 1, 2020. (Photo by Aly Song/Reuters)





A staff member checks her mobile phone inside a closed store at a shopping complex in Wuhan, Hubei province, the epicentre of China's coronavirus disease (COVID-19) outbreak, March 31, 2020. (Photo by Aly Song/Reuters)





Volunteers in protective suits disinfect a shopping complex in Wuhan, Hubei province, the epicentre of China's coronavirus disease (COVID-19) outbreak, March 31, 2020. (Photo by Aly Song/Reuters)





Women with face masks enjoy their bubble tea at a shopping complex in Wuhan, Hubei province, the epicentre of China's coronavirus disease (COVID-19) outbreak, March 31, 2020. (Photo by Aly Song/Reuters)





Dai Jinfeng cries while talking about not being able to see her mother due to quarantine restrictions on a street in Wuhan, Hubei province, the epicenter of China's coronavirus disease (COVID-19) outbreak, March 31, 2020. (Photo by Aly Song/Reuters)





One-time use cotton swabs are provided in a lift to operate buttons without touching surfaces, in a department store in Beijing following an outbreak of the novel coronavirus disease (COVID-19), China, March 20, 2020. (Photo by Thomas Peter/Reuters)





In this photo released by Xinhua News Agency, workers wearing protective suits check customers' health QR codes at the entrance of a re-opened shopping mall in in Wuhan in central China's Hubei province, Monday, March 30, 2020. Shopkeepers in the city at the center of China's virus outbreak were reopening Monday but customers were scarce after authorities lifted more of the anti-virus controls that kept tens of millions of people at home for two months. (Photo by Fei Maohua/Xinhua via AP Photo)