Flags fly at half-staff during a minute of silence commemorating the Covid-19 virus victims, in front of Rome's Capitol Hill, Tuesday, March 31, 2020. Italy has observed a minute of silence and flown its flags at half-staff in a nationwide gesture to honor the victims of the coronavirus and their families. The new coronavirus causes mild or moderate symptoms for most people, but for some, especially older adults and people with existing health problems, it can cause more severe illness or death.m(AP Photo/Andrew Medichini)

Rome's Mayor Virginia Raggi stands in front of flags at half-staff during a minute of silence commemorating the Covid-19 virus victims, in front of Rome's Capitol Hill, Tuesday, March 31, 2020. Italy has observed a minute of silence and flown its flags at half-staff in a nationwide gesture to honor the victims of the coronavirus and their families. The new coronavirus causes mild or moderate symptoms for most people, but for some, especially older adults and people with existing health problems, it can cause more severe illness or death.m(AP Photo/Andrew Medichini)

Rome's Mayor Virginia Raggi stands in front of flags at half-staff during a minute of silence commemorating the Covid-19 virus victims, in front of Rome's Capitol Hill, Tuesday, March 31, 2020. Italy has observed a minute of silence and flown its flags at half-staff in a nationwide gesture to honor the victims of the coronavirus and their families. The new coronavirus causes mild or moderate symptoms for most people, but for some, especially older adults and people with existing health problems, it can cause more severe illness or death.m(AP Photo/Andrew Medichini)

Rome's Mayor Virginia Raggi walks down the steps of her office to observe a minute of silence commemorating the Covid-19 virus victims, in front of Rome's Capitol Hill, Tuesday, March 31, 2020. Italy has observed a minute of silence and flown its flags at half-staff in a nationwide gesture to honor the victims of the coronavirus and their families. The new coronavirus causes mild or moderate symptoms for most people, but for some, especially older adults and people with existing health problems, it can cause more severe illness or death. (AP Photo/Andrew Medichini)

Rome's Mayor Virginia Raggi arrives to observe a minute of silence commemorating the Covid-19 virus victims, in front of Rome's Capitol Hill, Tuesday, March 31, 2020. Italy has observed a minute of silence and flown its flags at half-staff in a nationwide gesture to honor the victims of the coronavirus and their families. The new coronavirus causes mild or moderate symptoms for most people, but for some, especially older adults and people with existing health problems, it can cause more severe illness or death.m(AP Photo/Andrew Medichini)

Rome's Mayor Virginia Raggi stands in front of flags at half-staff during a minute of silence commemorating the Covid-19 virus victims, in front of Rome's Capitol Hill, Tuesday, March 31, 2020. Italy has observed a minute of silence and flown its flags at half-staff in a nationwide gesture to honor the victims of the coronavirus and their families. The new coronavirus causes mild or moderate symptoms for most people, but for some, especially older adults and people with existing health problems, it can cause more severe illness or death.m(AP Photo/Andrew Medichini)

Flags fly at half-staff during a minute of silence commemorating the Covid-19 virus victims, in Milan's Piazza del Duomo square, Italy, Tuesday, March 31, 2020. Italy has observed a minute of silence and flown its flags at half-staff in a nationwide gesture to honor the victims of the coronavirus and their families. The new coronavirus causes mild or moderate symptoms for most people, but for some, especially older adults and people with existing health problems, it can cause more severe illness or death. (AP Photo/Luca Bruno)

Flags fly at half-staff during a minute of silence commemorating the Covid-19 virus victims, at Rome's monument to the Unknown Soldier, Tuesday, March 31, 2020. Italy has observed a minute of silence and flown its flags at half-staff in a nationwide gesture to honor the victims of the coronavirus and their families. The new coronavirus causes mild or moderate symptoms for most people, but for some, especially older adults and people with existing health problems, it can cause more severe illness or death. (AP Photo/Andrew Medichini)

Flags fly at half-staff during a minute of silence commemorating the Covid-19 virus victims, at Rome's Lower Chamber of Parliament Palazzo Montecitorio, Tuesday, March 31, 2020. Italy has observed a minute of silence and flown its flags at half-staff in a nationwide gesture to honor the victims of the coronavirus and their families. The new coronavirus causes mild or moderate symptoms for most people, but for some, especially older adults and people with existing health problems, it can cause more severe illness or death. (AP Photo/Andrew Medichini)

Flags fly at half-staff during a minute of silence commemorating the Covid-19 virus victims, in front of Rome's Capitol Hill, Tuesday, March 31, 2020. Italy has observed a minute of silence and flown its flags at half-staff in a nationwide gesture to honor the victims of the coronavirus and their families. The new coronavirus causes mild or moderate symptoms for most people, but for some, especially older adults and people with existing health problems, it can cause more severe illness or death.m(AP Photo/Andrew Medichini)

Flags fly at half-staff during a minute of silence commemorating the Covid-19 virus victims, at Rome's Palazzo Chigi Premier's office, Tuesday, March 31, 2020. Italy has observed a minute of silence and flown its flags at half-staff in a nationwide gesture to honor the victims of the coronavirus and their families. The new coronavirus causes mild or moderate symptoms for most people, but for some, especially older adults and people with existing health problems, it can cause more severe illness or death. (AP Photo/Andrew Medichini)

Turin's Mayor Chiara Appendino stands in front of flags flying at half-staff during a minute of silence commemorating the Covid-19 virus victims, outside the Palazzo Civico city hall, in Turin, northern Italy, Tuesday, March 31, 2020. Italy has observed a minute of silence and flown its flags at half-staff in a nationwide gesture to honor the victims of the coronavirus and their families. The new coronavirus causes mild or moderate symptoms for most people, but for some, especially older adults and people with existing health problems, it can cause more severe illness or death. (Fabio Ferrari/LaPresse via AP)

Flags fly at half-staff during a minute of silence commemorating the Covid-19 virus victims, at the Vatican's Apostolic Palace, Tuesday, March 31, 2020. Italy has observed a minute of silence and flown its flags at half-staff in a nationwide gesture to honor the victims of the coronavirus and their families. The new coronavirus causes mild or moderate symptoms for most people, but for some, especially older adults and people with existing health problems, it can cause more severe illness or death. (AP Photo/Andrew Medichini)

Flags fly at half-staff during a minute of silence commemorating the Covid-19 virus victims, at the Vatican's Apostolic Palace, Tuesday, March 31, 2020. Italy has observed a minute of silence and flown its flags at half-staff in a nationwide gesture to honor the victims of the coronavirus and their families. The new coronavirus causes mild or moderate symptoms for most people, but for some, especially older adults and people with existing health problems, it can cause more severe illness or death. (AP Photo/Andrew Medichini)

The Vatican flag flies at half-staff during a minute of silence commemorating the Covid-19 virus victims, at the Vatican's Apostolic Palace, Tuesday, March 31, 2020. Italy has observed a minute of silence and flown its flags at half-staff in a nationwide gesture to honor the victims of the coronavirus and their families. The new coronavirus causes mild or moderate symptoms for most people, but for some, especially older adults and people with existing health problems, it can cause more severe illness or death. (AP Photo/Andrew Medichini)

Flags fly at half-staff during a minute of silence commemorating the Covid-19 virus victims, at the Vatican Sant'Anna Gate, Tuesday, March 31, 2020. Italy has observed a minute of silence and flown its flags at half-staff in a nationwide gesture to honor the victims of the coronavirus and their families. The new coronavirus causes mild or moderate symptoms for most people, but for some, especially older adults and people with existing health problems, it can cause more severe illness or death. (AP Photo/Andrew Medichini)

Flags fly at half-staff during a minute of silence commemorating the Covid-19 virus victims, at the Vatican Sant'Anna Gate, Tuesday, March 31, 2020. Italy has observed a minute of silence and flown its flags at half-staff in a nationwide gesture to honor the victims of the coronavirus and their families. The new coronavirus causes mild or moderate symptoms for most people, but for some, especially older adults and people with existing health problems, it can cause more severe illness or death. (AP Photo/Andrew Medichini)

Flags fly at half-staff during a minute of silence commemorating the Covid-19 virus victims, at the Vatican's Apostolic Palace, Tuesday, March 31, 2020. Italy has observed a minute of silence and flown its flags at half-staff in a nationwide gesture to honor the victims of the coronavirus and their families. The new coronavirus causes mild or moderate symptoms for most people, but for some, especially older adults and people with existing health problems, it can cause more severe illness or death. (AP Photo/Andrew Medichini)

French Prime Minister Edouard Philippe, left, French Junior Minister of Relations with the Parliament Marc Fesneau, second left, and French Health and Social Affairs Minister Olivier Veran pay tribute with a minute of silence to the victims of the Covid-19 virus during the weekly session of questions to the government at the National Assembly in Paris, Tuesday, March 31 2020. The new coronavirus causes mild or moderate symptoms for most people, but for some, especially older adults and people with existing health problems, it can cause more severe illness or death. (Yoan Valat/Pool via AP)

French Ministers and Deputies pay tribute with a minute of silence to the victims of the Covid-19 virus during the weekly session of questions to the government at the National Assembly in Paris, Tuesday, March 31 2020. The new coronavirus causes mild or moderate symptoms for most people, but for some, especially older adults and people with existing health problems, it can cause more severe illness or death. (Yoan Valat/Pool via AP)

Rome mayor Virginia Raggi (C-L) stands at attention during a minute of silence outside Rome's city hall at Capitoline Hill (Campidoglio), on March 31, 2020 as flags are being flown at half-mast in cities across Italy to commemorate the victims of the virus, during the country's lockdown aimed at curbing the spread of the COVID-19 infection, caused by the novel coronavirus. (Photo by ANDREAS SOLARO / AFP)

The flags of Europe, Italy and Rome (From L) fly at half-mast during a minute of silence outside Rome's city hall at Capitoline Hill (Campidoglio), on March 31, 2020 as flags are being flown at half-mast in cities across Italy to commemorate the victims of the virus, during the country's lockdown aimed at curbing the spread of the COVID-19 infection, caused by the novel coronavirus. (Photo by ANDREAS SOLARO / AFP)

Municipal police officers stand at attention beside flags of Europe, Italy and Rome (From L) flying at half-mast during a minute of silence outside Rome's city hall at Capitoline Hill (Campidoglio), on March 31, 2020 as flags are being flown at half-mast in cities across Italy to commemorate the victims of the virus, during the country's lockdown aimed at curbing the spread of the COVID-19 infection, caused by the novel coronavirus. (Photo by ANDREAS SOLARO / AFP)

French Prime Minister Edouard Philippe observes a minute of silence for the victims of the novel coronavirus during the weekly session of questions to the government at the National Assembly in Paris, on March 31, 2020 on the fifteenth day of a lockdown aimed at curbing the spread of the COVID-19 (novel coronavirus) in France. (Photo by Yoan VALAT / POOL / AFP)

French Prime Minister Edouard Philippe (C-left) and MPs observe a minute of silence for the victims of the novel coronavirus during the weekly session of questions to the government at the National Assembly in Paris, on March 31, 2020 on the fifteenth day of a lockdown aimed at curbing the spread of the COVID-19 (novel coronavirus) in France. (Photo by Yoan VALAT / POOL / AFP)

French Prime Minister Edouard Philippe (C-left) and MPs observe a minute of silence for the victims of the novel coronavirus during the weekly session of questions to the government at the National Assembly in Paris, on March 31, 2020 on the fifteenth day of a lockdown aimed at curbing the spread of the COVID-19 (novel coronavirus) in France. (Photo by Yoan VALAT / POOL / AFP)

French Prime Minister Edouard Philippe (C-left) and MPs observe a minute of silence for the victims of the novel coronavirus during the weekly session of questions to the government at the National Assembly in Paris, on March 31, 2020 on the fifteenth day of a lockdown aimed at curbing the spread of the COVID-19 (novel coronavirus) in France. (Photo by Yoan VALAT / POOL / AFP)

(FromL) French Prime Minister Edouard Philippe, French Junior Minister of Relations with the Parliament Marc Fesneau and French Health and Social Affairs Minister Olivier Veran observe a moment of silence for the victims of the Covid-19 caused by the novel coronavirus during the weekly session of questions to the government at the National Assembly in Paris, on March 31, 2020 on the fifteenth day of a lockdown aimed at curbing the spread of the COVID-19 (novel coronavirus) in France. (Photo by Yoan VALAT / POOL / AFP)

This photo taken and handout on March 31, 2020 by the municipal press office of Florence, Tuscany, shows mayor Dario Nardella standing at attention during a minute of silence outside Palazzo Vecchio as flags are being flown at half-mast in cities across Italy to commemorate the victims of the virus, during the country's lockdown aimed at curbing the spread of the COVID-19 infection, caused by the novel coronavirus. (Photo by Handout / FLORENCE MUNICIPAL PRESS OFFICE / AFP) / RESTRICTED TO EDITORIAL USE - MANDATORY CREDIT "AFP PHOTO / FLORENCE MUNICIPAL PRESS OFFICE" - NO MARKETING - NO ADVERTISING CAMPAIGNS - DISTRIBUTED AS A SERVICE TO CLIENTS

This photo taken and handout on March 31, 2020 by the municipal press office of Florence, Tuscany, shows mayor Dario Nardella standing at attention during a minute of silence outside Palazzo Vecchio as flags are being flown at half-mast in cities across Italy to commemorate the victims of the virus, during the country's lockdown aimed at curbing the spread of the COVID-19 infection, caused by the novel coronavirus. (Photo by Handout / FLORENCE MUNICIPAL PRESS OFFICE / AFP) / RESTRICTED TO EDITORIAL USE - MANDATORY CREDIT "AFP PHOTO / FLORENCE MUNICIPAL PRESS OFFICE" - NO MARKETING - NO ADVERTISING CAMPAIGNS - DISTRIBUTED AS A SERVICE TO CLIENTS

This photo taken and handout on March 31, 2020 by the municipal press office of Florence, Tuscany, shows mayor Dario Nardella standing at attention during a minute of silence outside Palazzo Vecchio as flags are being flown at half-mast in cities across Italy to commemorate the victims of the virus, during the country's lockdown aimed at curbing the spread of the COVID-19 infection, caused by the novel coronavirus. (Photo by Handout / FLORENCE MUNICIPAL PRESS OFFICE / AFP) / RESTRICTED TO EDITORIAL USE - MANDATORY CREDIT "AFP PHOTO / FLORENCE MUNICIPAL PRESS OFFICE" - NO MARKETING - NO ADVERTISING CAMPAIGNS - DISTRIBUTED AS A SERVICE TO CLIENTS

This photo taken and handout on March 31, 2020 by the municipal press office of Florence, Tuscany, shows mayor Dario Nardella standing at attention during a minute of silence outside Palazzo Vecchio as flags are being flown at half-mast in cities across Italy to commemorate the victims of the virus, during the country's lockdown aimed at curbing the spread of the COVID-19 infection, caused by the novel coronavirus. (Photo by Handout / FLORENCE MUNICIPAL PRESS OFFICE / AFP) / RESTRICTED TO EDITORIAL USE - MANDATORY CREDIT "AFP PHOTO / FLORENCE MUNICIPAL PRESS OFFICE" - NO MARKETING - NO ADVERTISING CAMPAIGNS - DISTRIBUTED AS A SERVICE TO CLIENTS

ROME, ITALY, MARCH 31: Rome's Mayor Virginia Raggi arrives to attend a ceremony in memory of victims of Covid-19 at the Campidoglio city hall in Rome, Italy, on March 31, 2020. Italian government is expected to extend restrictions against coronavirus spread until after Easter. Riccardo De Luca / Anadolu Agency/ABACAPRESS.COM

ROME, ITALY, MARCH 31: Rome's Mayor Virginia Raggi arrives to attend a ceremony in memory of victims of Covid-19 at the Campidoglio city hall in Rome, Italy, on March 31, 2020. Italian government is expected to extend restrictions against coronavirus spread until after Easter. Riccardo De Luca / Anadolu Agency/ABACAPRESS.COM

ROME, ITALY, MARCH 31: Rome's Mayor Virginia Raggi arrives to attend a ceremony in memory of victims of Covid-19 at the Campidoglio city hall in Rome, Italy, on March 31, 2020. Italian government is expected to extend restrictions against coronavirus spread until after Easter. Riccardo De Luca / Anadolu Agency/ABACAPRESS.COM

ROME, ITALY, MARCH 31: Rome's Mayor Virginia Raggi arrives to attend a ceremony in memory of victims of Covid-19 at the Campidoglio city hall in Rome, Italy, on March 31, 2020. Italian government is expected to extend restrictions against coronavirus spread until after Easter. Riccardo De Luca / Anadolu Agency/ABACAPRESS.COM

ROME, ITALY, MARCH 31: Rome's Mayor Virginia Raggi arrives to attend a ceremony in memory of victims of Covid-19 at the Campidoglio city hall in Rome, Italy, on March 31, 2020. Italian government is expected to extend restrictions against coronavirus spread until after Easter. Riccardo De Luca / Anadolu Agency/ABACAPRESS.COM

ROME, ITALY, MARCH 31: Rome's Mayor Virginia Raggi arrives to attend a ceremony in memory of victims of Covid-19 at the Campidoglio city hall in Rome, Italy, on March 31, 2020. Italian government is expected to extend restrictions against coronavirus spread until after Easter. Riccardo De Luca / Anadolu Agency/ABACAPRESS.COM

ROME, ITALY, MARCH 31: Rome's Mayor Virginia Raggi attends a ceremony in memory of victims of Covid-19 at the Campidoglio city hall in Rome, Italy, on March 31, 2020. Italian government is expected to extend restrictions against coronavirus spread until after Easter. Riccardo De Luca / Anadolu Agency/ABACAPRESS.COM

ROME, ITALY, MARCH 31: Rome's Mayor Virginia Raggi attends a ceremony in memory of victims of Covid-19 at the Campidoglio city hall in Rome, Italy, on March 31, 2020. Italian government is expected to extend restrictions against coronavirus spread until after Easter. Riccardo De Luca / Anadolu Agency/ABACAPRESS.COM

ROME, ITALY, MARCH 31: Flags fo European Union, Italy and City of Rome wave at half mast during a ceremony in memory of victims of Covid-19 at the Campidoglio city hall in Rome, Italy, on March 31, 2020. Italian government is expected to extend restrictions against coronavirus spread until after Easter. Riccardo De Luca / Anadolu Agency/ABACAPRESS.COM

ROME, ITALY, MARCH 31: Flags fo European Union, Italy and City of Rome wave at half mast during a ceremony in memory of victims of Covid-19 at the Campidoglio city hall in Rome, Italy, on March 31, 2020. Italian government is expected to extend restrictions against coronavirus spread until after Easter. Riccardo De Luca / Anadolu Agency/ABACAPRESS.COM

ROME, ITALY, MARCH 31: Rome's Mayor Virginia Raggi attends a ceremony in memory of victims of Covid-19 at the Campidoglio city hall in Rome, Italy, on March 31, 2020. Italian government is expected to extend restrictions against coronavirus spread until after Easter. Riccardo De Luca / Anadolu Agency/ABACAPRESS.COM

Mayor Luigi De Magistris during minute of silence for the Coronavirus Covid-19 victims and flags at half mast in Naples, Italy on March 31, 2020. Photo by Alessandro Garofalo/napolipress/IPA/ABACAPRESS.COM

Mayor Luigi De Magistris during minute of silence for the Coronavirus Covid-19 victims and flags at half mast in Naples, Italy on March 31, 2020. Photo by Alessandro Garofalo/napolipress/IPA/ABACAPRESS.COM

Mayor Luigi De Magistris during minute of silence for the Coronavirus Covid-19 victims and flags at half mast in Naples, Italy on March 31, 2020. Photo by Alessandro Garofalo/napolipress/IPA/ABACAPRESS.COM

Mayor Luigi De Magistris during minute of silence for the Coronavirus Covid-19 victims and flags at half mast in Naples, Italy on March 31, 2020. Photo by Alessandro Garofalo/napolipress/IPA/ABACAPRESS.COM

ROME, ITALY, MARCH 31: Reporters wear protective masks during a ceremony in memory of victims of Covid-19 at the Campidoglio city hall in Rome, Italy, on March 31, 2020. Italian government is expected to extend restrictions against coronavirus spread until after Easter. Riccardo De Luca / Anadolu Agency/ABACAPRESS.COM

Mayor Luigi De Magistris during minute of silence for the Coronavirus Covid-19 victims and flags at half mast in Naples, Italy on March 31, 2020. Photo by Alessandro Garofalo/napolipress/IPA/ABACAPRESS.COM

Mayor Luigi De Magistris during minute of silence for the Coronavirus Covid-19 victims and flags at half mast in Naples, Italy on March 31, 2020. Photo by Alessandro Garofalo/napolipress/IPA/ABACAPRESS.COM

Mayor Luigi De Magistris during minute of silence for the Coronavirus Covid-19 victims and flags at half mast in Naples, Italy on March 31, 2020. Photo by Alessandro Garofalo/napolipress/IPA/ABACAPRESS.COM

Mayor Luigi De Magistris during minute of silence for the Coronavirus Covid-19 victims and flags at half mast in Naples, Italy on March 31, 2020. Photo by Alessandro Garofalo/napolipress/IPA/ABACAPRESS.COM

Mayor Luigi De Magistris during minute of silence for the Coronavirus Covid-19 victims and flags at half mast in Naples, Italy on March 31, 2020. Photo by Alessandro Garofalo/napolipress/IPA/ABACAPRESS.COM

Mayor Luigi De Magistris during minute of silence for the Coronavirus Covid-19 victims and flags at half mast in Naples, Italy on March 31, 2020. Photo by Alessandro Garofalo/napolipress/IPA/ABACAPRESS.COM

Mayor Luigi De Magistris during minute of silence for the Coronavirus Covid-19 victims and flags at half mast in Naples, Italy on March 31, 2020. Photo by Alessandro Garofalo/napolipress/IPA/ABACAPRESS.COM