Luiz Inacio Lula da Silva, former president of Brazil and current presidential candidate, reacts next to his running mate Geraldo Alckmin, and Sao Paulo Governor candidate Fernando Haddad as they greet supporters, during a march in Campinas, Sao Paulo state, Brazil October 8, 2022. REUTERS/Mariana Greif 

A woman holds a dog as Luiz Inacio Lula da Silva, former president of Brazil and current presidential candidate, his running mate Geraldo Alckmin, and Sao Paulo Governor candidate Fernando Haddad (not pictured), greet supporters during a march in Campinas, Sao Paulo state, Brazil October 8, 2022. REUTERS/Mariana Greif 

Luiz Inacio Lula da Silva, former president of Brazil and current presidential candidate, his running mate Geraldo Alckmin, and Sao Paulo Governor candidate Fernando Haddad greet supporters, during a march in Campinas, Sao Paulo state, Brazil October 8, 2022. REUTERS/Mariana Greif 

Luiz Inacio Lula da Silva, former president of Brazil and current presidential candidate, his running mate Geraldo Alckmin, and Sao Paulo Governor candidate Fernando Haddad greet supporters, during a march in Campinas, Sao Paulo state, Brazil October 8, 2022. REUTERS/Mariana Greif 

Luiz Inacio Lula da Silva, former president of Brazil and current presidential candidate looks on during a march in Campinas, Sao Paulo state, Brazil October 8, 2022. REUTERS/Mariana Greif 

Supporters greet Luiz Inacio Lula da Silva, former president of Brazil and current presidential candidate, his running mate Geraldo Alckmin, and Sao Paulo Governor candidate Fernando Haddad (not pictured), during a march in Campinas, Sao Paulo state, Brazil October 8, 2022. REUTERS/Mariana Greif 

Supporters greet Luiz Inacio Lula da Silva, former president of Brazil and current presidential candidate, his running mate Geraldo Alckmin, and Sao Paulo Governor candidate Fernando Haddad (not pictured), during a march in Campinas, Sao Paulo state, Brazil October 8, 2022. REUTERS/Mariana Greif 

Luiz Inacio Lula da Silva, former president of Brazil and current presidential candidate, his running mate Geraldo Alckmin, and Sao Paulo Governor candidate Fernando Haddad greet supporters, during a march in Campinas, Sao Paulo state, Brazil October 8, 2022. REUTERS/Mariana Greif 

Luiz Inacio Lula da Silva, former president of Brazil and current presidential candidate and his running mate Geraldo Alckmin greet supporters, during a march in Campinas, Sao Paulo state, Brazil October 8, 2022. REUTERS/Mariana Greif 

A girl reacts as Luiz Inacio Lula da Silva, former president of Brazil and current presidential candidate, his running mate Geraldo Alckmin, and Sao Paulo Governor candidate Fernando Haddad (not pictured), greet supporters during a march in Campinas, Sao Paulo state, Brazil October 8, 2022. REUTERS/Mariana Greif 

Luiz Inacio Lula da Silva, former president of Brazil and current presidential candidate, his running mate Geraldo Alckmin, and Sao Paulo Governor candidate Fernando Haddad greet supporters, during a march in Campinas, Sao Paulo state, Brazil October 8, 2022. REUTERS/Mariana Greif 

Supporters greet Luiz Inacio Lula da Silva, former president of Brazil and current presidential candidate, his running mate Geraldo Alckmin, and Sao Paulo Governor candidate Fernando Haddad (not pictured), during a march in Campinas, Sao Paulo state, Brazil October 8, 2022. REUTERS/Mariana Greif 

Luiz Inacio Lula da Silva, former president of Brazil and current presidential candidate, his running mate Geraldo Alckmin, and Sao Paulo Governor candidate Fernando Haddad greet supporters, during a march in Campinas, Sao Paulo state, Brazil October 8, 2022. REUTERS/Mariana Greif 

Luiz Inacio Lula da Silva, former president of Brazil and current presidential candidate, his running mate Geraldo Alckmin, and Sao Paulo Governor candidate Fernando Haddad greet supporters, during a march in Campinas, Sao Paulo state, Brazil October 8, 2022. REUTERS/Mariana Greif 

Luiz Inacio Lula da Silva, former president of Brazil and current presidential candidate, his running mate Geraldo Alckmin, and Sao Paulo Governor candidate Fernando Haddad greet supporters, during a march in Campinas, Sao Paulo state, Brazil October 8, 2022. REUTERS/Mariana Greif 

Luiz Inacio Lula da Silva, former president of Brazil and current presidential candidate, his running mate Geraldo Alckmin, and Sao Paulo Governor candidate Fernando Haddad greet supporters, during a march in Campinas, Sao Paulo state, Brazil October 8, 2022. REUTERS/Mariana Greif 

Luiz Inacio Lula da Silva, former president of Brazil and current presidential candidate, his running mate Geraldo Alckmin, and Sao Paulo Governor candidate Fernando Haddad greet supporters, during a march in Campinas, Sao Paulo state, Brazil October 8, 2022. REUTERS/Mariana Greif 

Luiz Inacio Lula da Silva, former president of Brazil and current presidential candidate, greets a supporter during a march in Campinas, Sao Paulo state, Brazil October 8, 2022. REUTERS/Mariana Greif 

Children gather before a march held by Luiz Inacio Lula da Silva, former president of Brazil and current presidential candidate, his running mate Geraldo Alckmin, and Sao Paulo Governor candidate Fernando Haddad, in Campinas, Sao Paulo state, Brazil October 8, 2022. REUTERS/Mariana Greif 

Supporters gather before a march held by Luiz Inacio Lula da Silva, former president of Brazil and current presidential candidate, his running mate Geraldo Alckmin, and Sao Paulo Governor candidate Fernando Haddad, in Campinas, Sao Paulo state, Brazil October 8, 2022. REUTERS/Mariana Greif 

Children gather before a march held by Luiz Inacio Lula da Silva, former president of Brazil and current presidential candidate, his running mate Geraldo Alckmin, and Sao Paulo Governor candidate Fernando Haddad, in Campinas, Sao Paulo state, Brazil October 8, 2022. REUTERS/Mariana Greif 

Supporters gather before a march held by Luiz Inacio Lula da Silva, former president of Brazil and current presidential candidate, his running mate Geraldo Alckmin, and Sao Paulo Governor candidate Fernando Haddad, in Campinas, Sao Paulo state, Brazil October 8, 2022. REUTERS/Mariana Greif 

Supporters gather before a march held by Luiz Inacio Lula da Silva, former president of Brazil and current presidential candidate, his running mate Geraldo Alckmin, and Sao Paulo Governor candidate Fernando Haddad, in Campinas, Sao Paulo state, Brazil October 8, 2022. REUTERS/Mariana Greif 

A family of Ze Gotinha, mascot of Brazilian vaccination campaigns, poses for a photo with a shipment containing doses of Johnson & Johnson’s Janssen vaccines against the coronavirus disease (COVID-19), donated by the United States, that arrived at Viracopos International Airport, in Campinas, Brazil June 25, 2021. REUTERS/Carla Carniel 

A shipment containing doses of Johnson & Johnson’s Janssen vaccines against the coronavirus disease (COVID-19), donated by the United States, arrives at Viracopos International Airport, in Campinas, Brazil June 25, 2021. REUTERS/Carla Carniel 

Brazil’s Minister of Health, Marcelo Queiroga, and U.S. ambassador, Todd Chapman, receive a shipment containing doses of Johnson & Johnson’s Janssen vaccines against the coronavirus disease (COVID-19), donated by the United States, that arrived at Viracopos International Airport, in Campinas, Brazil June 25, 2021. REUTERS/Carla Carniel 

U.S. ambassador, Todd Chapman, receives a shipment containing doses of Johnson & Johnson’s Janssen vaccines against the coronavirus disease (COVID-19), donated by the United States, that arrived at Viracopos International Airport, in Campinas, Brazil June 25, 2021. REUTERS/Carla Carniel 

U.S. ambassador, Todd Chapman, receives a shipment containing doses of Johnson & Johnson’s Janssen vaccines against the coronavirus disease (COVID-19), donated by the United States, that arrived at Viracopos International Airport, in Campinas, Brazil June 25, 2021. REUTERS/Carla Carniel 

Brazil’s Minister of Health, Marcelo Queiroga, and U.S. ambassador, Todd Chapman, receive a shipment containing doses of Johnson & Johnson’s Janssen vaccines against the coronavirus disease (COVID-19), donated by the United States, that arrived at Viracopos International Airport, in Campinas, Brazil June 25, 2021. REUTERS/Carla Carniel 

Brazil’s Minister of Health, Marcelo Queiroga, and U.S. ambassador, Todd Chapman, receive a shipment containing doses of Johnson & Johnson’s Janssen vaccines against the coronavirus disease (COVID-19), donated by the United States, that arrived at Viracopos International Airport, in Campinas, Brazil June 25, 2021. REUTERS/Carla Carniel 

Brazil’s Minister of Health, Marcelo Queiroga, and U.S. ambassador, Todd Chapman, receive a shipment containing doses of Johnson & Johnson’s Janssen vaccines against the coronavirus disease (COVID-19), donated by the United States, that arrived at Viracopos International Airport, in Campinas, Brazil June 25, 2021. REUTERS/Carla Carniel 

A shipment containing doses of Johnson & Johnson’s Janssen vaccines against the coronavirus disease (COVID-19), donated by the United States, arrived at Viracopos International Airport, in Campinas, Brazil June 25, 2021. REUTERS/Carla Carniel 

A shipment containing doses of Johnson & Johnson’s Janssen vaccines against the coronavirus disease (COVID-19), donated by the United States, arrived at Viracopos International Airport, in Campinas, Brazil June 25, 2021. REUTERS/Carla Carniel 

Brazil’s Minister of Health, Marcelo Queiroga, receives a shipment containing doses of Johnson & Johnson’s Janssen vaccines against the coronavirus disease (COVID-19), donated by the United States, that arrived at Viracopos International Airport, in Campinas, Brazil June 25, 2021. REUTERS/Carla Carniel 

Containers that are part of a shipment containing one million doses of Pfizer-BioNTech vaccines against the coronavirus disease (COVID-19) are unloaded from an airplane at Viracopos International Airport, in Campinas, Brazil April 29, 2021. REUTERS/Amanda Perobelli 

A container that is part of a shipment containing one million doses of Pfizer-BioNTech vaccines against the coronavirus disease (COVID-19) is unloaded from an airplane at Viracopos International Airport, in Campinas, Brazil April 29, 2021. REUTERS/Amanda Perobelli 

Brazil's Minister of Health, Marcelo Queiroga, speaks after a shipment containing one million doses of Pfizer-BioNTech vaccines against the coronavirus disease (COVID-19) arrived at Viracopos International Airport, in Campinas, Brazil April 29, 2021. REUTERS/Amanda Perobelli 

Members of security forces stand guard next to refrigerated containers with doses of Pfizer-BioNTech vaccines against the coronavirus disease (COVID-19) after they were unloaded from an airplane at Viracopos International Airport, in Campinas, Brazil April 29, 2021. REUTERS/Amanda Perobelli 

Brazil's Minister of Health, Marcelo Queiroga, looks on as a shipment containing one million doses of Pfizer-BioNTech vaccines against the coronavirus disease (COVID-19) arrives at Viracopos International Airport, in Campinas, Brazil April 29, 2021. REUTERS/Amanda Perobelli 

Members of security forces stand guard next to refrigerated containers with doses of Pfizer-BioNTech vaccines against the coronavirus disease (COVID-19) after they were unloaded from an airplane at Viracopos International Airport, in Campinas, Brazil April 29, 2021. REUTERS/Amanda Perobelli 

Members of security forces stand guard next to refrigerated containers with doses of Pfizer-BioNTech vaccines against the coronavirus disease (COVID-19) after they were unloaded from an airplane at Viracopos International Airport, in Campinas, Brazil April 29, 2021. REUTERS/Amanda Perobelli 

Members of security forces stand guard next to a refrigerated container that is part of a shipment containing one million doses of Pfizer-BioNTech vaccines against the coronavirus disease (COVID-19) after it was unloaded from an airplane at Viracopos International Airport, in Campinas, Brazil April 29, 2021. REUTERS/Amanda Perobelli REFILE - CORRECTING DESCRIPTION OF SHIPMENT 

A refrigerated container that is part of a shipment containing one million doses of Pfizer-BioNTech vaccines against the coronavirus disease (COVID-19) is unloaded at Viracopos International Airport, in Campinas, Brazil April 29, 2021. REUTERS/Amanda Perobelli REFILE - CORRECTING DESCRIPTION OF SHIPMENT 

An airplane carrying one million doses of Pfizer-BioNTech vaccines against the coronavirus disease (COVID-19) is given a water cannon salute as it arrives at Viracopos International Airport, in Campinas, Brazil April 29, 2021. REUTERS/Amanda Perobelli 

Brazil's Minister of Health, Marcelo Queiroga, poses for a photo with the mascot Ze Gotinha, symbol of Brazilian vaccination campaigns as an airplane with doses of Pfizer-BioNTech vaccines against the coronavirus disease (COVID-19) arrives at Viracopos International Airport, in Campinas, Brazil April 29, 2021. REUTERS/Amanda Perobelli 

An airplane carrying one million doses of Pfizer-BioNTech vaccines against the coronavirus disease (COVID-19) is given a water cannon salute as it arrives at Viracopos International Airport, in Campinas, Brazil April 29, 2021. REUTERS/Amanda Perobelli 

Brazil's Minister of Health, Marcelo Queiroga, poses for a photo with the mascot Ze Gotinha, symbol of Brazilian vaccination campaigns as doses of Pfizer-BioNTech vaccines against the coronavirus disease (COVID-19) arrives at Viracopos International Airport, in Campinas, Brazil April 29, 2021. REUTERS/Amanda Perobelli 

Brazil's Instituto Butantan director Dimas Tadeu Covas, Sao Paulo state governor Joao Doria and Sao Paulo state Health Secretary Jean Gorinchteyn pic up boxes of the China's Sinovac vaccines against the coronavirus disease (COVID-19) near a refrigerated container with vaccines as it arrives at Viracopos International Airport, in Campinas, Brazil February 4, 2021. REUTERS/Amanda Perobelli 

Refrigerated containers with doses of CoronaVac, Sinovac Biotech's vaccine against the coronavirus disease (COVID-19), are pictured after being unloaded at Viracopos International Airport, in Campinas, Brazil February 4, 2021. REUTERS/Amanda Perobelli 

A refrigerated container with doses of CoronaVac, Sinovac Biotech's vaccine against the coronavirus disease (COVID-19), is picture after being unloaded at Viracopos International Airport, in Campinas, Brazil February 4, 2021. REUTERS/Amanda Perobelli 

Brazil's Sao Paulo state governor Joao Doria walks near a refrigerated container with doses of CoronaVac, Sinovac Biotech's vaccine against the coronavirus disease (COVID-19), at Viracopos International Airport, in Campinas, Brazil February 4, 2021. REUTERS/Amanda Perobelli 

Brazil's Sao Paulo state governor Joao Doria points to a refrigerated container with doses of CoronaVac, Sinovac Biotech's vaccine against the coronavirus disease (COVID-19), at Viracopos International Airport, in Campinas, Brazil February 4, 2021. REUTERS/Amanda Perobelli 

Brazil's Sao Paulo state governor Joao Doria stands near refrigerated containers with doses of the CoronaVac, Sinovac Biotech's vaccine against the coronavirus disease (COVID-19), at Viracopos International Airport, in Campinas, Brazil February 4, 2021. REUTERS/Amanda Perobelli 

A refrigerated container with doses of the CoronaVac, Sinovac Biotech's vaccine against the coronavirus disease (COVID-19), is pictured after being unloaded at Viracopos International Airport, in Campinas, Brazil February 4, 2021. REUTERS/Amanda Perobelli 

Refrigerated containers with doses of the CoronaVac, Sinovac Biotech's vaccine against the coronavirus disease (COVID-19), are pictured after being unloaded at Viracopos International Airport, in Campinas, Brazil February 4, 2021. REUTERS/Amanda Perobelli 

A refrigerated container with doses of the CoronaVac, Sinovac Biotech's vaccine against the coronavirus disease (COVID-19), is pictured after being unloaded at Viracopos International Airport, in Campinas, Brazil February 4, 2021. REUTERS/Amanda Perobelli 

A refrigerated container with doses of the CoronaVac, Sinovac Biotech's vaccine against the coronavirus disease (COVID-19), is unload at Viracopos International Airport, in Campinas, Brazil February 4, 2021. REUTERS/Amanda Perobelli 

A man carries boxes containing a batch of Sinovac's coronavirus disease (COVID-19) vaccine to be distributed in Campinas city as the vaccination starts in Sao Paulo, Brazil January 18, 2021. REUTERS/Amanda Perobelli 

A man carries boxes containing a batch of Sinovac's coronavirus disease (COVID-19) vaccine to be distributed in Campinas as the vaccination starts in Sao Paulo, Brazil January 18, 2021. REUTERS/Amanda Perobelli 

A man checks boxes containing a batch of Sinovac's coronavirus disease (COVID-19) vaccine to be distributed in Campinas as the vaccination starts in Sao Paulo, Brazil January 18, 2021. REUTERS/Amanda Perobelli