Riot police clash with protesters during a rally in Diavolorema near the area where the government plans to build a new migrant detention center, on the northeastern Aegean island of Lesbos, Greece, Tuesday, February 25, 2020. Clashes broke out overnight on the Greek islands of Lesbos and Chios, where residents tried to prevent the arrival of riot police and excavating machines to be used to build new migrant detention camps. (Photo by Michael Varaklas/AP Photo)





Policemen arrest a demonstrator during protests against the Vina del Mar Music Festival, in vina del Mar, Chile, 24 February 2020. According to media reports, more authorities have been deployed in an attempt to maintain order in the coastal city. (Photo by Leandro Torchio/EPA/EFE)





A woman wearing a breathing mask walks in front of the Eurocity train at the main station in Munich, Germany, Monday, February 24, 2020. The train was stopped at the Brenner Pass for several hours last night by authorities following fears that the had two people on board who may have been infected with the COVID-19 virus. (Photo by Lino Mirgeler/dpa via AP Photo)





A young tourist wearing a protective facemask and a Carnival mask visits the streets of Venice, on February 24, 2020 during the usual period of the Carnival festivities which the last two days have been cancelled due to an outbreak of the COVID-19 the novel coronavirus, in northern Italy. Italy reported on February 24, 2020 its fourth death from the new coronavirus, an 84-year old man in the northern Lombardy region, as the number of people contracting the virus continued to mount. (Photo by Andrea Pattaro/AFP Photo)





A newlywed couple pose for photos as tourists wear protective masks in Venice, Italy, Tuesday, February 25, 2020. Italy has been scrambling to check the spread of Europe's first major outbreak of the new viral disease amid rapidly rising numbers of infections and calling off the popular Venice Carnival and closing tourist attractions. (Photo by Renata Brito/AP Photo)





A Russian tourist dons both a carnival mask and a protective face mask as he visits St. Mark's square Venice, Italy, Tuesday, February 25, 2020. (Photo by Renata Brito/AP Photo)





Italian Army soldiers check transit to and from the cordoned areas near Turano Lodigiano, Northern Italy, Tuesday, February 25, 2020. Civil protection officials on Tuesday reported a large jump of cases in Italy, from 222 to 283. Seven people have died, all of them elderly people suffering other pathologies. (Photo by Claudio Furlan/Lapresse via AP Photo)





A pre-triage medical tent is set up in front of the Santa Maria Nuova hospital in Florence, Italy, 25 February 2020. The tent's purpose is to sanitize the ambulance arrival area amid the ongoing outbreak of the SARS-CoV-2 coronavirus that causes the COVID-19 disease. At least 228 cases have been reported in Italy so far, most of them concentrated in the northern Lombardy and Veneto regions. The disease has killed at least seven people in the Mediterranean country, according to official reports. (Photo by Claudio Giovannini/EPA/EFE)





In this Monday, February 24, 2020 photo, Shiite pilgrims wear masks outside the shrine of Imam Ali in Najaf, Iraq. The Health Ministry said four new cases of coronavirus were diagnosed in the northern province of Kirkuk. It said the afflicted were members of an Iraqi family who had returned from a recent trip to Iran. Iraq announced the discovery of the first coronavirus case in the country on Monday in Najaf. Iraq had earlier closed its border with Iran to Iranian nationals but apparently Iraqis can still cross the boundary. (Photo by Anmar Khalil/AP Photo)





A worker wearing a protective suit sprays disinfectant as a precaution against new virus at a market in Seoul, South Korea, Wednesday, February 26, 2020. The number of new virus cases in South Korea jumped again Wednesday and the first U.S. military soldier tested positive, with his infection and many others connected to a southeastern city where the outbreak has clustered. (Photo by Lee Jin-man/AP Photo)





Pedestrians wear masks and gloves to help guard against the Coronavirus in downtown Tehran, Iran, Tuesday, February 25, 2020. The head of Iran's counter-coronavirus task force has tested positive for the virus himself, authorities announced Tuesday, showing the challenges facing the Islamic Republic amid concerns the outbreak may be far wider than officially acknowledged. The announcement comes as countries across the Mideast say they've had confirmed cases of the virus that link back to Iran, which for days denied having the virus. (Photo by Ebrahim Noroozi/AP Photo)





A worker disinfects a public bus against coronavirus in Tehran, Iran, in early morning of Wednesday, February 26, 2020. Iran's government said Tuesday that more than a dozen people had died nationwide from the new coronavirus, rejecting claims of a much higher death toll of 50 by a lawmaker from the city of Qom that has been at the epicenter of the virus in the country. (Photo by Ebrahim Noroozi/AP Photo)





A health worker takes notes at the infectious disease clinic in Zagreb, Croatia, where the first coronavirus case in Croatia is hospitalized, Tuesday, February 25, 2020. Croatia confirmed its first case of coronavirus in a man who had been to Milan, the capital of Lombardy, Italy. (Photo by Darko Bandic/AP Photo)





In this photo taken and released by Malaysia's Ministry of Health, health workers wearing full protective suits sit on a vehicle as they wait for the arrival of evacuated Malaysian from China's Wuhan, the epicenter of the coronavirus outbreak, at Kuala Lumpur International Airport in Sepang, Malaysia, Wednesday, February 26, 2020. U.S. health officials warned Tuesday that the burgeoning coronavirus is certain to spread more widely in the country at some point, even as their counterparts in Europe and Asia scrambled to contain new outbreaks of the illness. (Photo by Muzzafar Kasim/Malaysia's Ministry of Health via AP Photo)





Fans wearing masks pose for photos before the start of a concert by Japanese girl group Perfume outside Tokyo Dome in Tokyo, Tuesday, February 25, 2020. Japan's Prime Minister Shinzo Abe said Tuesday that new measures like companies letting their employees work from home and hospitals expanding their capacity to treat many patients will determine if Japan could control its coronavirus outbreak. (Photo by Jae C. Hong/AP Photo)





U.S. first lady Melania Trump waits to be garlanded by two children at Sarvodaya Co-Educational Senior Secondary School in New Delhi, India, Tuesday, February 25, 2020. (Photo by Altaf Qadri/AP Photo)





Schoolchildren from local schools take part in the children's races prior to the annual Pancake race in Olney, Buckinghamshire, England, Tuesday, February 25, 2020. Every year women clad in aprons and head scarves from Olney and the city of Liberal, in Kansas, USA, run their respective legs of the race with pancakes in their pans. According to legend, the Olney race started in 1445 when a harried housewife arrived at church on Shrove Tuesday still clutching her frying pan with a pancake in it. (Photo by Alastair Grant/AP Photo)





Artists of the company in the English National Opera's production of Giacomo Puccini's “Madam Butterfly” at the London Coliseum on February 24, 2020 in London, England. (Photo by Robbie Jack#Corbis/Corbis via Getty Images)