European Commission vice-president Maros Sefcovic removes his face mask during a press conference after a General Affairs Council with the Portuguese European Affairs Secretary, held by video conference at the EU headquarters in Brussels, Belgium February 23, 2021. John Thys/Pool via REUTERS

European Commission vice-president Maros Sefcovic speaks during a press conference after a General Affairs Council with the Portuguese European Affairs Secretary, held by video conference at the EU headquarters in Brussels, Belgium February 23, 2021. John Thys/Pool via REUTERS

European Commission vice-president Maros Sefcovic speaks during a press conference after a General Affairs Council with the Portuguese European Affairs Secretary, held by video conference at the EU headquarters in Brussels, Belgium February 23, 2021. John Thys/Pool via REUTERS

European Commission vice-president Maros Sefcovic speaks during a press conference after a General Affairs Council with the Portuguese European Affairs Secretary, held by video conference at the EU headquarters in Brussels, Belgium February 23, 2021. John Thys/Pool via REUTERS

European Commission vice-president Maros Sefcovic speaks during a press conference after a General Affairs Council with the Portuguese European Affairs Secretary, held by video conference at the EU headquarters in Brussels, Belgium February 23, 2021. John Thys/Pool via REUTERS

Commission President Ursula von der Leyen attends a news conference with European Portuguese Prime Minister Antonio Costa and European Parliament President David Sassoli (not pictured), in Brussels, Belgium February 12, 2021. REUTERS/Johanna Geron

European Commission President Ursula von der Leyen, European Parliament President David Sassoli and Portuguese Prime Minister Antonio Costa hold a news conference in Brussels, Belgium February 12, 2021. REUTERS/Johanna Geron

Portuguese Prime Minister Antonio Costa attends a news conference with European Commission President Ursula von der Leyen and European Parliament President David Sassoli (not pictured), in Brussels, Belgium February 12, 2021. REUTERS/Johanna Geron

European Parliament President David Sassoli speaks during a news conference with European Commission President Ursula von der Leyen and Portuguese Prime Minister Antonio Costa (not pictured) in Brussels, Belgium February 12, 2021. REUTERS/Johanna Geron

Commission President Ursula von der Leyen speaks during a news conference with European Portuguese Prime Minister Antonio Costa and European Parliament President David Sassoli (not pictured), in Brussels, Belgium February 12, 2021. REUTERS/Johanna Geron

Commission President Ursula von der Leyen speaks during a news conference with European Portuguese Prime Minister Antonio Costa and European Parliament President David Sassoli, in Brussels, Belgium February 12, 2021. REUTERS/Johanna Geron

European Parliament President David Sassoli, European Commission President Ursula von der Leyen, and Portuguese Prime Minister Antonio Costa hold a news conference in Brussels, Belgium February 12, 2021. REUTERS/Johanna Geron

Commission President Ursula von der Leyen speaks during a news conference with European Portuguese Prime Minister Antonio Costa and European Parliament President David Sassoli (not pictured), in Brussels, Belgium February 12, 2021. REUTERS/Johanna Geron

Commission President Ursula von der Leyen speaks during a news conference with European Portuguese Prime Minister Antonio Costa and European Parliament President David Sassoli (not pictured), in Brussels, Belgium February 12, 2021. REUTERS/Johanna Geron

European Parliament President David Sassoli speaks during a news conference with European Commission President Ursula von der Leyen and Portuguese Prime Minister Antonio Costa (not pictured) in Brussels, Belgium February 12, 2021. REUTERS/Johanna Geron

European Commission President Ursula von der Leyen, European Parliament President David Sassoli and Portuguese Prime Minister Antonio Costa hold a news conference in Brussels, Belgium February 12, 2021. REUTERS/Johanna Geron

Commission President Ursula von der Leyen speaks during a news conference with European Portuguese Prime Minister Antonio Costa and European Parliament President David Sassoli (not pictured), in Brussels, Belgium February 12, 2021. REUTERS/Johanna Geron

Portuguese Prime Minister Antonio Costa speaks during a news conference with European Commission President Ursula von der Leyen and European Parliament President David Sassoli (not pictured), in Brussels, Belgium February 12, 2021. REUTERS/Johanna Geron

Portuguese Prime Minister Antonio Costa gestures as he speaks during a news conference with European Commission President Ursula von der Leyen and European Parliament President David Sassoli, in Brussels, Belgium February 12, 2021. REUTERS/Johanna Geron

European Parliament President David Sassoli speaks during a news conference with European Commission President Ursula von der Leyen and Portuguese Prime Minister Antonio Costa (not pictured) in Brussels, Belgium February 12, 2021. REUTERS/Johanna Geron

Portuguese ambassador in Germany, Henrique Nelson Portela Guede stands in front of an A400M military transport plane in Wunstorf, Germany, February 3, 2021. REUTERS/Fabian Bimmer

Portuguese President Marcelo Rebelo de Sousa speaks during a visit at the Armed Forces Hospital as the coronavirus disease (COVID-19) outbreak continues in Lisbon, Portugal, January 26, 2021. REUTERS/Pedro Nunes

Portuguese Health Minister Marta Temido watches while Prime Minister Antonio Costa speaks with President Marcelo Rebelo de Sousa during a visit at the Armed Forces Hospital, as the coronavirus disease (COVID-19) outbreak continues in Lisbon, Portugal, January 26, 2021. REUTERS/Pedro Nunes

Portuguese President Marcelo Rebelo de Sousa speaks during a visit at the Armed Forces Hospital as the coronavirus disease (COVID-19) outbreak continues in Lisbon, Portugal, January 26, 2021. REUTERS/Pedro Nunes

Portuguese President Marcelo Rebelo de Sousa speaks during a visit at the Armed Forces Hospital as the coronavirus disease (COVID-19) outbreak continues in Lisbon, Portugal, January 26, 2021. REUTERS/Pedro Nunes

Portuguese President Marcelo Rebelo de Sousa speaks during a visit at the Armed Forces Hospital as the coronavirus disease (COVID-19) outbreak continues in Lisbon, Portugal, January 26, 2021. REUTERS/Pedro Nunes

Soldiers prepare a room as Portuguese Prime Minister Antonio Costa visits the Armed Forces Hospital while the coronavirus disease (COVID-19) outbreak continues in Lisbon, Portugal, January 26, 2021. REUTERS/Pedro Nunes

Portuguese Prime Minister Antonio Costa, President Marcelo Rebelo de Sousa and Health Minister Marta Temido visit the Armed Forces Hospital as the coronavirus disease (COVID-19) outbreak continues in Lisbon, Portugal, January 26, 2021. REUTERS/Pedro Nunes

Military members are seen as Portuguese Prime Minister Antonio Costa visits the Armed Forces Hospital while the coronavirus disease (COVID-19) outbreak continues in Lisbon, Portugal, January 26, 2021. REUTERS/Pedro Nunes

Soldiers make a bed as Portuguese Prime Minister Antonio Costa visits the Armed Forces Hospital while the coronavirus disease (COVID-19) outbreak continues in Lisbon, Portugal, January 26, 2021. REUTERS/Pedro Nunes

Soldiers make a bed as Portuguese Prime Minister Antonio Costa visits the Armed Forces Hospital while the coronavirus disease (COVID-19) outbreak continues in Lisbon, Portugal, January 26, 2021. REUTERS/Pedro Nunes

A man attaches a sign as Portuguese Prime Minister Antonio Costa visits the Armed Forces Hospital while the coronavirus disease (COVID-19) outbreak continues in Lisbon, Portugal, January 26, 2021. REUTERS/Pedro Nunes

Portuguese Prime Minister Antonio Costa, President Marcelo Rebelo de Sousa and Health Minister Marta Temido visit the Armed Forces Hospital as the coronavirus disease (COVID-19) outbreak continues in Lisbon, Portugal, January 26, 2021. REUTERS/Pedro Nunes

Portuguese Prime Minister Antonio Costa, President Marcelo Rebelo de Sousa and Health Minister Marta Temido visit the Armed Forces Hospital as the coronavirus disease (COVID-19) outbreak continues in Lisbon, Portugal, January 26, 2021. REUTERS/Pedro Nunes

Portuguese Prime Minister Antonio Costa visits the Armed Forces Hospital as the coronavirus disease (COVID-19) outbreak continues in Lisbon, Portugal, January 26, 2021. REUTERS/Pedro Nunes

Portuguese Minister of Maritime Affairs, Ricardo Serrao Santos gives a joint news conference following an Agriculture and Fisheries meeting at the EU headquarters in Brussels, Belgium January 25, 2021. John Thys/Pool via REUTERS

Portuguese Minister of Maritime Affairs, Ricardo Serrao Santos gives a joint news conference on fisheries following an Agriculture and Fisheries meeting at the EU headquarters in Brussels, Belgium January 25, 2021. John Thys/Pool via REUTERS

Portuguese Prime minister Antonio Costa votes at a polling station for Portugal's presidential election in Lisbon, Portugal, January 24, 2021. Andre Kosters/Pool via REUTERS

Portuguese Prime minister Antonio Costa votes at a polling station for Portugal's presidential election in Lisbon, Portugal, January 24, 2021. Andre Kosters/Pool via REUTERS

Portuguese Prime minister Antonio Costa casts his vote during Portugal's presidential election in Lisbon, Portugal, January 24, 2021. Andre Kosters/Pool via REUTERS

Portuguese Prime minister Antonio Costa casts his vote during Portugal's presidential election in Lisbon, Portugal, January 24, 2021. Andre Kosters/Pool via REUTERS

Portuguese Prime minister Antonio Costa casts his vote during Portugal's presidential election in Lisbon, Portugal, January 24, 2021. Andre Kosters/Pool via REUTERS

Portuguese Prime minister Antonio Costa casts his vote during Portugal's presidential election in Lisbon, Portugal, January 24, 2021. Andre Kosters/Pool via REUTERS

Portuguese Prime minister Antonio Costa casts his vote during Portugal's presidential election in Lisbon, Portugal, January 24, 2021. Andre Kosters/Pool via REUTERS

European Commission President Ursula von der Leyen looks at artwork exhibited by the Portuguese Presidency, ahead of a news conference following a video conference of the members of the European Council on the coronavirus disease (COVID-19), in Brussels, Belgium January 21, 2021. Olivier Hoslet/Pool via REUTERS

European Commission President Ursula von der Leyen looks at artwork exhibited by the Portuguese Presidency, ahead of a news conference following a video conference of the members of the European Council on the coronavirus disease (COVID-19), in Brussels, Belgium January 21, 2021. Olivier Hoslet/Pool via REUTERS

European Commission President Ursula von der Leyen looks at artwork exhibited by the Portuguese Presidency, ahead of a news conference following a video conference of the members of the European Council on the coronavirus disease (COVID-19), in Brussels, Belgium January 21, 2021. Olivier Hoslet/Pool via REUTERS

European Commission President Ursula von der Leyen walks past an artwork exhibited by the Portuguese Presidency with the words "We are O", ahead of a news conference following a video conference of the members of the European Council on the coronavirus disease (COVID-19), in Brussels, Belgium January 21, 2021. Olivier Hoslet/Pool via REUTERS

European Commission President Ursula von der Leyen walks past an artwork exhibited by the Portuguese Presidency with the words "We are O", ahead of a news conference following a video conference of the members of the European Council on the coronavirus disease (COVID-19), in Brussels, Belgium January 21, 2021. Olivier Hoslet/Pool via REUTERS

European Commission President Ursula von der Leyen (R) and European Council President Charles Michel stand next to an artwork exhibited by the Portuguese Presidency with the words "The powerful will rule our daily lives", after a news conference following a video conference of the members of the European Council on the coronavirus disease (COVID-19), in Brussels, Belgium January 21, 2021. Olivier Hoslet/Pool via REUTERS

European Commission President Ursula von der Leyen (R) and European Council President Charles Michel stand next to an artwork exhibited by the Portuguese Presidency with the words "The powerful will rule our daily lives", after a news conference following a video conference of the members of the European Council on the coronavirus disease (COVID-19), in Brussels, Belgium January 21, 2021. Olivier Hoslet/Pool via REUTERS

City workers wearing protective equipment collect a ballot for the Portuguese presidential election from a voter in quarantine due to the coronavirus disease (COVID-19) in Carcavelos, Portugal, January 20, 2021. Picture taken January 20, 2021. REUTERS/Pedro Nunes

A city worker wearing protective equipment arrives to collect ballots for the Portuguese presidential election from voters in quarantine due to the coronavirus disease (COVID-19) in Carcavelos, Portugal, January 20, 2021. Picture taken January 20, 2021. REUTERS/Pedro Nunes

City workers wearing protective equipment arrive to collect ballots for the Portuguese presidential election from voters in quarantine due to the coronavirus disease (COVID-19) in Carcavelos, Portugal, January 20, 2021. Picture taken January 20, 2021. REUTERS/Pedro Nunes

City workers wearing protective equipment wait to collect ballots for the Portuguese presidential election from voters in quarantine due to the coronavirus disease (COVID-19) in Carcavelos, Portugal, January 20, 2021. Picture taken January 20, 2021. REUTERS/Pedro Nunes

A city worker wearing protective equipment collects a ballot for the Portuguese presidential election from a voter in quarantine due to the coronavirus disease (COVID-19) in Carcavelos, Portugal, January 20, 2021. Picture taken January 20, 2021. REUTERS/Pedro Nunes

City workers wearing protective equipment arrive to collect ballots for the Portuguese presidential election of voters in quarantine due to the coronavirus disease (COVID-19) in Carcavelos, Portugal, January 20, 2021. Picture taken January 20, 2021. REUTERS/Pedro Nunes

A city worker wearing protective equipment puts a ballot for the Portuguese presidential election inside an envelope after collecting it from a voter in quarantine due to the coronavirus disease (COVID-19) in Carcavelos, Portugal, January 20, 2021. Picture taken January 20, 2021. REUTERS/Pedro Nunes

A city worker wearing protective equipment arrives to collect ballots for the Portuguese presidential election from voters in quarantine due to the coronavirus disease (COVID-19) in Carcavelos, Portugal, January 20, 2021. Picture taken January 20, 2021. REUTERS/Pedro Nunes