A man wearing a face mask hugs a woman amid the coronavirus disease (COVID-19) at Viracopos International Airport, in Campinas, Sao Paulo State, Brazil, March 16, 2020. REUTERS/Rahel Patrasso

A woman wearing a face mask stands in front of arrival and departure electronic boards after the Brazilian airline Azul stated that it will cut all of its international flights out of its main hub due to the coronavirus outbreak, at Viracopos International Airport, in Campinas, Sao Paulo State, Brazil, March 16, 2020. REUTERS/Rahel Patrasso

Workers wearing face masks are seen next to a banner of Brazilian airline Azul, after the airline stated that it will cut all of its international flights out of its main hub due to the coronavirus outbreak, at Viracopos International Airport, in Campinas, Sao Paulo State, Brazil, March 16, 2020. REUTERS/Rahel Patrasso

A man wearing a face mask stands under a Brazilian airline Azul welcome banner, after the airline stated it will cut all of its international flights out of its main hub due to the coronavirus outbreak, at Viracopos International Airport, in Campinas, Sao Paulo State, Brazil, March 16, 2020. REUTERS/Rahel Patrasso

An airplane of Brazilian airline Azul sits at Viracopos International Airport after the airline stated that it will cut all of its international flights out of its main hub due to the coronavirus outbreak, in Campinas, Sao Paulo State, Brazil, March 16, 2020. REUTERS/Rahel Patrasso

Passengers stand near a Brazilian airline Azul signage, after the airline stated that it will cut all of its international flights out from its main hub due to the coronavirus outbreak, at Viracopos International Airport, in Campinas, Sao Paulo State, Brazil, March 16, 2020. REUTERS/Rahel Patrasso

A man wearing a face mask passes by a Brazilian airline Azul banner, after the airline stated that it will cut all of its international flights out of its main hub due to the coronavirus outbreak, at Viracopos International Airport, in Campinas, Sao Paulo State, Brazil, March 16, 2020. REUTERS/Rahel Patrasso REFILE - CLARIFYING CAPTION

A note informing the suspension of classes due to the coronavirus outbreak is pictured at the library door at the University of Campinas (UniCamp) after the classes were suspended due to the coronavirus outbreak in Campinas, Sao Paulo state, Brazil, March 13, 2020. REUTERS/Amanda Perobelli

An empty classroom is seen at the University of Campinas (UniCamp) after the classes were suspended due to the coronavirus outbreak in Campinas, Sao Paulo state, Brazil, March 13, 2020. REUTERS/Amanda Perobelli

A library at the University of Campinas (UniCamp) is pictured after the classes were suspended due to the coronavirus outbreak in Campinas, Sao Paulo state, Brazil, March 13, 2020. REUTERS/Amanda Perobelli

A hall of the University of Campinas (UniCamp) is pictured after the classes were suspended due to the coronavirus outbreak in Campinas, Sao Paulo state, Brazil, March 13, 2020. REUTERS/Amanda Perobelli

An employee cleans the glass door of the University of Campinas (UniCamp) after the classes were suspended due to the coronavirus outbreak in Campinas, Sao Paulo state, Brazil, March 13, 2020. REUTERS/Amanda Perobelli

Employees work on a solar energy panel of Chinese solar equipment manufacturer BYD in Campinas, Brazil February 13, 2020. Picture taken February 13, 2020. REUTERS/Amanda Perobelli

An employee conducts a quality-check of a solar module product at a factory of Chinese solar equipment manufacturer BYD in Campinas, Brazil February 13, 2020. Picture taken February 13, 2020. REUTERS/Amanda Perobelli

An employee works on a solar energy panel of Chinese solar equipment manufacturer BYD in Campinas, Brazil February 13, 2020. Picture taken February 13, 2020. REUTERS/Amanda Perobelli

A woman works on a solar energy panel of Chinese solar equipment manufacturer BYD in Campinas, Brazil February 13, 2020. Picture taken February 13, 2020. REUTERS/Amanda Perobelli

Women work on a solar energy panel of Chinese solar equipment manufacturer BYD in Campinas, Brazil February 13, 2020. Picture taken February 13, 2020. REUTERS/Amanda Perobelli

Employees work on a solar energy panel of Chinese solar equipment manufacturer BYD in Campinas, Brazil February 13, 2020. Picture taken February 13, 2020. REUTERS/Amanda Perobelli

Women work on a solar energy panel of Chinese solar equipment manufacturer BYD in Campinas, Brazil February 13, 2020. Picture taken February 13, 2020. REUTERS/Amanda Perobelli

Employees work on a solar energy panel of Chinese solar equipment manufacturer BYD in Campinas, Brazil February 13, 2020. Picture taken February 13, 2020. REUTERS/Amanda Perobelli

Employees work on a solar energy panel of Chinese solar equipment manufacturer BYD in Campinas, Brazil February 13, 2020. Picture taken February 13, 2020. REUTERS/Amanda Perobelli

A police officer collects bullets near a site where an armed gang holds people hostage after they robbed a securities company at the Viracopos airport freight terminal, in Campinas near Sao Paulo, Brazil October 17, 2019. REUTERS/Rahel Patrasso

Police officers are seen near a site where an armed gang holds people hostage after they robbed a securities company at the Viracopos airport freight terminal, in Campinas near Sao Paulo, Brazil October 17, 2019. REUTERS/Rahel Patrasso

Federal police experts are seen near a site where an armed gang holds people hostage after they robbed a securities company at the Viracopos airport freight terminal, in Campinas near Sao Paulo, Brazil October 17, 2019. REUTERS/Rahel Patrasso

A police vehicle with a window damaged by bullets is seen near a site where an armed gang holds people hostage after they robbed a securities company at the Viracopos airpoart freight terminal, in Campinas near Sao Paulo, Brazil October 17, 2019. REUTERS/Rahel Patrasso

A federal police expert is seen near a site where an armed gang holds people hostage after they robbed a securities company at the Viracopos airpoart freight terminal, in Campinas near Sao Paulo, Brazil October 17, 2019. REUTERS/Rahel Patrasso

A federal police expert is seen near a site where an armed gang holds people hostage after they robbed a securities company at the Viracopos airpoart freight terminal, in Campinas near Sao Paulo, Brazil October 17, 2019. REUTERS/Rahel Patrasso

A police officer is seen near a site where an armed gang holds people hostage after they robbed a securities company at the Viracopos airpoart freight terminal, in Campinas near Sao Paulo, Brazil October 17, 2019. REUTERS/Rahel Patrasso

Federal police officers are seen near a site where an armed gang holds people hostage after they robbed a securities company at the Viracopos airpoart freight terminal, in Campinas near Sao Paulo, Brazil October 17, 2019. REUTERS/Rahel Patrasso

Police officers are seen near a site where an armed gang holds people hostage after they robbed a securities company at the Viracopos airpoart freight terminal, in Campinas near Sao Paulo, Brazil October 17, 2019. REUTERS/Rahel Patrasso

Federal police officers are seen after an armed gang robbed a securities company at the Viracopos airport freight terminal, in Campinas near Sao Paulo, Brazil October 17, 2019. REUTERS/Rahel Patrasso

Federal police officers are seen after an armed gang robbed a securities company at the Viracopos airport freight terminal, in Campinas near Sao Paulo, Brazil October 17, 2019. REUTERS/Rahel Patrasso

A police vehicle and an ambulance are seen near a site where an armed gang holds people hostage after they robbed a securities company at the Viracopos airpoart freight terminal, in Campinas near Sao Paulo, Brazil October 17, 2019. REUTERS/Rahel Patrasso

A police officer is seen near a site where an armed gang holds people hostage after they robbed a securities company at the Viracopos airpoart freight terminal, in Campinas near Sao Paulo, Brazil October 17, 2019. REUTERS/Rahel Patrasso

A police officer is seen near a site where an armed gang holds people hostage after they robbed a securities company at the Viracopos airpoart freight terminal, in Campinas near Sao Paulo, Brazil October 17, 2019. REUTERS/Rahel Patrasso

A police helicopter is seen after an armed gang robbed a securities company at the Viracopos airport freight terminal, in Campinas near Sao Paulo, Brazil October 17, 2019. REUTERS/Rahel Patrasso

A burned truck is seen after an armed gang robbed a securities company at the Viracopos airport freight terminal, in Campinas near Sao Paulo, Brazil October 17, 2019. REUTERS/Rahel Patrasso

The entrance of the Viracopos airport freight terminal is seen blocked after an armed gang robbed a securities company in Campinas near Sao Paulo, Brazil October 17, 2019. REUTERS/Rahel Patrasso

A burned truck is seen after an armed gang robbed a securities company at the Viracopos airport freight terminal, in Campinas near Sao Paulo, Brazil October 17, 2019. REUTERS/Rahel Patrasso

The entrance of the Viracopos airport freight terminal is seen blocked after an armed gang robbed a securities company in Campinas near Sao Paulo, Brazil October 17, 2019. REUTERS/Rahel Patrasso

People react after a shooting at Catholic cathedral in Campinas, Brazil December 11, 2018. REUTERS/Amanda Perobelli TPX IMAGES OF THE DAY

A police car is seen in front of the Mario Gatti hospital after a shooting at a Catholic cathedral in Campinas, Brazil December 11, 2018. REUTERS/Amanda Perobelli

A man reacts after a shooting at a Catholic cathedral in Campinas, Brazil December 11, 2018. REUTERS/Amanda Perobelli

People react after a shooting at Catholic cathedral in Campinas, Brazil December 11, 2018. REUTERS/Amanda Perobelli

A man reacts next to flowers after a shooting at Catholic cathedral in Campinas, Brazil December 11, 2018. REUTERS/Amanda Perobelli

ATTENTION EDITORS - VISUAL COVERAGE OF SCENES OF INJURY OR DEATH People look at the blood on the floor inside of the Catholic cathedral where a gunman opened fire to the faithful, in Campinas, Brazil, December 11, 2018 REUTERS/Amanda Perobelli

A cloth with blood is seen in front of of the Catholic cathedral where a gunman opened fire to the faithful, in Campinas, Brazil, December 11, 2018 REUTERS/Amanda Perobelli

A policeman stands in front of of the Catholic cathedral where a gunman opened fire to the faithful, in Campinas, Brazil, December 11, 2018 REUTERS/Amanda Perobelli

General view of the Catholic cathedral where a gunman opened fire to the faithful, in Campinas, Brazil, December 11, 2018 REUTERS/Amanda Perobelli

Policemen stand in front of of the Catholic cathedral where a gunman opened fire to the faithful, in Campinas, Brazil, December 11, 2018 REUTERS/Amanda Perobelli

Supporters of Presidential candidate Fernando Haddad of Workers Party (PT) holds drums with the image of former President Luiz Inacio Lula da Silva during a campaign rally in Campinas, Brazil September 25, 2018. REUTERS/Paulo Whitaker

Presidential candidate Fernando Haddad of Workers Party (PT) attends a campaign rally in Campinas, Brazil September 25, 2018. REUTERS/Paulo Whitaker

A supporter holds a mask of Presidential candidate Fernando Haddad of Workers Party (PT) during a campaing rally in Campinas, Brazil September 25, 2018. REUTERS/Paulo Whitaker

Presidential candidate Fernando Haddad (L) of Workers Party (PT) attends a rally campaign in Campinas, Brazil September 25, 2018. REUTERS/Paulo Whitaker

Presidential candidate Fernando Haddad (L) of Workers Party (PT) attends a rally campaign in Campinas, Brazil September 25, 2018. REUTERS/Paulo Whitaker

Presidential candidate Fernando Haddad (L) of Workers Party (PT) attends a rally campaign in Campinas, Brazil September 25, 2018. REUTERS/Paulo Whitaker

Presidential candidate Fernando Haddad of Workers Party (PT) attends a rally campaign in Campinas, Brazil September 25, 2018. REUTERS/Paulo Whitaker

Presidential candidate Fernando Haddad (L) of Workers Party (PT) attends a rally campaign in Campinas, Brazil September 25, 2018. REUTERS/Paulo Whitaker

Presidential candidate Fernando Haddad of Workers Party (PT) attends a rally campaign in Campinas, Brazil September 25, 2018. REUTERS/Paulo Whitaker

Presidential candidate Fernando Haddad of Workers Party (PT) attends a rally campaign in Campinas, Brazil September 25, 2018. REUTERS/Paulo Whitaker