Austrian Chancellor Sebastian Kurz (L) and Portuguese Prime Minister Antonio Costa greet each other at the start of the first face-to-face EU summit since the coronavirus disease (COVID-19) outbreak, in Brussels, Belgium July 17, 2020. Stephanie Lecocq/Pool via REUTERS

Portuguese Prime Minister Antonio Costa (L) and European Council President Charles Michel talk at the start of the first face-to-face EU summit since the coronavirus disease (COVID-19) outbreak, in Brussels, Belgium July 17, 2020. Stephanie Lecocq/Pool via REUTERS

Portuguese Prime Minister Antonio Costa (L) gives a present to Germany's Chancellor Angela Merkel (R) at the start of the first face-to-face EU summit since the coronavirus disease (COVID-19) outbreak, in Brussels, Belgium July 17, 2020. Stephanie Lecocq/Pool via REUTERS

French Foreign Affair Minister Jean-Yves Le Drian and Portuguese Minister for Foreign Affairs, Augusto Santos Silva attend a meeting of EU foreign ministers at the European Council building in Brussels, Belgium July 13, 2020. Stephanie Lecocq/Pool via REUTERS

Spain's Foreign Minister Arancha Gonzalez and Portuguese Minister for Foreign Affairs, Augusto Santos Silva attend a meeting of EU foreign ministers at the European Council building in Brussels, Belgium July 13, 2020. Stephanie Lecocq/Pool via REUTERS

Portuguese Minister for Foreign Affairs, Augusto Santos Silva attends a meeting of EU foreign ministers at the European Council building in Brussels, Belgium July 13, 2020. Stephanie Lecocq/Pool via REUTERS

Foreign Minister of Luxembourg Jean Asselborn, French Foreign Affair minister Jean-Yves Le Drian and Portuguese Minister for Foreign Affairs, Augusto Santos Silva attend a meeting of EU foreign ministers at the European Council building in Brussels, Belgium July 13, 2020. Stephanie Lecocq/Pool via REUTERS

French Foreign Affair Minister Jean-Yves Le Drian, Dutch Minister of Foreign Affairs Stef Blok and Portuguese Minister for Foreign Affairs, Augusto Santos Silva attend a meeting of EU foreign ministers at the European Council building in Brussels, Belgium July 13, 2020. Stephanie Lecocq/Pool via REUTERS

Foreign Minister of Luxembourg Jean Asselborn, French Foreign Affair minister Jean-Yves Le Drian and Portuguese Minister for Foreign Affairs, Augusto Santos Silva attend a meeting of EU foreign ministers at the European Council building in Brussels, Belgium July 13, 2020. Stephanie Lecocq/Pool via REUTERS

French Foreign Affair Minister Jean-Yves Le Drian, Dutch Minister of Foreign Affairs Stef Blok and Portuguese Minister for Foreign Affairs, Augusto Santos Silva attend a meeting of EU foreign ministers at the European Council building in Brussels, Belgium July 13, 2020. Stephanie Lecocq/Pool via REUTERS

Portuguese Minister for Foreign Affairs Augusto Santos Silva attends a meeting of EU foreign ministers at the European Council building in Brussels, Belgium July 13, 2020. Stephanie Lecocq/Pool via REUTERS

Italian Prime Minister Giuseppe Conte and his Portuguese counterpart Antonio Costa are seen during a joint news conference at Sao Bento Palace, amid the outbreak of the coronavirus disease (COVID-19), in Lisbon, Portugal, July 7, 2020. REUTERS/Rafael Marchante

Italian Prime Minister Giuseppe Conte speaks during a joint news conference with his Portuguese counterpart Antonio Costa (not pictured) at Sao Bento Palace, amid the outbreak of the coronavirus disease (COVID-19), in Lisbon, Portugal, July 7, 2020. REUTERS/Rafael Marchante

Portuguese Prime Minister Antonio Costa speaks during a joint news conference with his Italian counterpart Giuseppe Conte (not pictured) at Sao Bento Palace, amid the outbreak of the coronavirus disease (COVID-19), in Lisbon, Portugal, July 7, 2020. REUTERS/Rafael Marchante

Portuguese Prime Minister Antonio Costa puts on his mask after a joint news conference with his Italian counterpart Giuseppe Conte at Sao Bento Palace, amid the outbreak of the coronavirus disease (COVID-19), in Lisbon, Portugal, July 7, 2020. REUTERS/Rafael Marchante

Italian Prime Minister Giuseppe Conte and his Portuguese counterpart Antonio Costa pose after a joint news conference at Sao Bento Palace, amid the outbreak of the coronavirus disease (COVID-19), in Lisbon, Portugal, July 7, 2020. REUTERS/Rafael Marchante

Italian Prime Minister Giuseppe Conte speaks during a joint news conference with his Portuguese counterpart Antonio Costa (not pictured) at Sao Bento Palace, amid the outbreak of the coronavirus disease (COVID-19), in Lisbon, Portugal, July 7, 2020. REUTERS/Rafael Marchante

Italian Prime Minister Giuseppe Conte and his Portuguese counterpart Antonio Costa hold a joint news conference at Sao Bento Palace, amid the outbreak of the coronavirus disease (COVID-19), in Lisbon, Portugal, July 7, 2020. REUTERS/Rafael Marchante

Italian Prime Minister Giuseppe Conte looks on during a joint news conference with his Portuguese counterpart Antonio Costa (not pictured) at Sao Bento Palace, amid the outbreak of the coronavirus disease (COVID-19), in Lisbon, Portugal, July 7, 2020. REUTERS/Rafael Marchante

Portuguese Prime Minister Antonio Costa gestures during a joint news conference with his Italian counterpart Giuseppe Conte at Sao Bento Palace, amid the outbreak of the coronavirus disease (COVID-19), in Lisbon, Portugal, July 7, 2020. REUTERS/Rafael Marchante

Italian Prime Minister Giuseppe Conte speaks during a joint news conference with his Portuguese counterpart Antonio Costa at Sao Bento Palace, amid the outbreak of the coronavirus disease (COVID-19), in Lisbon, Portugal, July 7, 2020. REUTERS/Rafael Marchante

Portuguese Prime Minister Antonio Costa gestures during a meeting with his Italian counterpart Giuseppe Conte at Sao Bento Palace, amid the outbreak of the coronavirus disease (COVID-19), in Lisbon, Portugal, July 7, 2020. REUTERS/Rafael Marchante

Portuguese Prime Minister Antonio Costa waves as he meets his Italian counterpart Giuseppe Conte (not pictured) at Sao Bento Palace, amid the outbreak of the coronavirus disease (COVID-19), in Lisbon, Portugal, July 7, 2020. REUTERS/Rafael Marchante

Italian Prime Minister Giuseppe Conte and his Portuguese counterpart Antonio Costa bump elbows as they meet at Sao Bento Palace, amid the outbreak of the coronavirus disease (COVID-19), in Lisbon, Portugal, July 7, 2020. REUTERS/Rafael Marchante

Italian Prime Minister Giuseppe Conte gestures as he arrives for a meeting with his Portuguese counterpart Antonio Costa (not pictured) at Sao Bento Palace, amid the outbreak of the coronavirus disease (COVID-19), in Lisbon, Portugal, July 7, 2020. REUTERS/Rafael Marchante

Italian Prime Minister Giuseppe Conte gestures as he meets his Portuguese counterpart Antonio Costa (not pictured) at Sao Bento Palace, amid the outbreak of the coronavirus disease (COVID-19), in Lisbon, Portugal, July 7, 2020. REUTERS/Rafael Marchante

Portuguese Prime Minister Antonio Costa adjusts his mask as he meets with his Italian counterpart Giuseppe Conte at Sao Bento Palace, amid the outbreak of the coronavirus disease (COVID-19), in Lisbon, Portugal, July 7, 2020. REUTERS/Rafael Marchante

Italian Prime Minister Giuseppe Conte and his Portuguese counterpart Antonio Costa fold their hands as they meet at Sao Bento Palace, amid the outbreak of the coronavirus disease (COVID-19), in Lisbon, Portugal, July 7, 2020. REUTERS/Rafael Marchante

Italian Prime Minister Giuseppe Conte and his Portuguese counterpart Antonio Costa wave as they meet at Sao Bento Palace, amid the outbreak of the coronavirus disease (COVID-19), in Lisbon, Portugal, July 7, 2020. REUTERS/Rafael Marchante

Spanish Prime Minister Pedro Sanchez gestures after a joint news conference with his Portuguese counterpart Antonio Costa (not pictured) following a meeting at Sao Bento Palace, as the spread of the coronavirus disease (COVID-19) continues, in Lisbon, Portugal July 6, 2020. REUTERS/Rafael Marchante

Spanish Prime Minister Pedro Sanchez speaks during a joint news conference with his Portuguese counterpart Antonio Costa (not pictured) following a meeting at Sao Bento Palace, as the spread of the coronavirus disease (COVID-19) continues, in Lisbon, Portugal July 6, 2020. REUTERS/Rafael Marchante

Spanish Prime Minister Pedro Sanchez speaks during a joint news conference with his Portuguese counterpart Antonio Costa (not pictured) following a meeting at Sao Bento Palace, as the spread of the coronavirus disease (COVID-19) continues, in Lisbon, Portugal July 6, 2020. REUTERS/Rafael Marchante

Spanish Prime Minister Pedro Sanchez gestures as he speaks during a news conference with his Portuguese counterpart Antonio Costa following a meeting at Sao Bento Palace, as the spread of the coronavirus disease (COVID-19) continues, in Lisbon, Portugal July 6, 2020. REUTERS/Rafael Marchante

Spanish Prime Minister Pedro Sanchez and his Portuguese counterpart Antonio Costa arrive to attend a news conference following a meeting at Sao Bento Palace, as the spread of the coronavirus disease (COVID-19) continues, in Lisbon, Portugal July 6, 2020. REUTERS/Rafael Marchante

Spanish Prime Minister Pedro Sanchez speaks during a joint news conference with his Portuguese counterpart Antonio Costa (not pictured) following a meeting at Sao Bento Palace, as the spread of the coronavirus disease (COVID-19) continues, in Lisbon, Portugal July 6, 2020. REUTERS/Rafael Marchante

Spanish Prime Minister Pedro Sanchez and his Portuguese counterpart Antonio Costa attend a news conference following a meeting at Sao Bento Palace, as the spread of the coronavirus disease (COVID-19) continues, in Lisbon, Portugal July 6, 2020. REUTERS/Rafael Marchante

Spanish Prime Minister Pedro Sanchez arrives to meet with his Portuguese counterpart Antonio Costa at Sao Bento Palace, as the spread of the coronavirus disease (COVID-19) continues, in Lisbon, Portugal July 6, 2020. REUTERS/Rafael Marchante

Spanish Prime Minister Pedro Sanchez and his Portuguese counterpart Antonio Costa meet at Sao Bento Palace, as the spread of the coronavirus disease (COVID-19) continues, in Lisbon, Portugal July 6, 2020. REUTERS/Rafael Marchante

Spanish Prime Minister Pedro Sanchez meets with his Portuguese counterpart Antonio Costa at Sao Bento Palace, as the spread of the coronavirus disease (COVID-19) continues, in Lisbon, Portugal July 6, 2020. REUTERS/Rafael Marchante

Spanish Prime Minister Pedro Sanchez is welcomed by his Portuguese counterpart Antonio Costa at Sao Bento Palace, as the spread of the coronavirus disease (COVID-19) continues, in Lisbon, Portugal July 6, 2020. REUTERS/Rafael Marchante

Spanish Prime Minister Pedro Sanchez is welcomed by his Portuguese counterpart Antonio Costa at Sao Bento Palace, as the spread of the coronavirus disease (COVID-19) continues, in Lisbon, Portugal July 6, 2020. REUTERS/Rafael Marchante

Spanish Prime Minister Pedro Sanchez and his Portuguese counterpart Antonio Costa shake hands as they meet at Sao Bento Palace, as the spread of the coronavirus disease (COVID-19) continues, in Lisbon, Portugal July 6, 2020. REUTERS/Rafael Marchante

Spanish Prime Minister Pedro Sanchez is welcomed by his Portuguese counterpart Antonio Costa at Sao Bento Palace, as the spread of the coronavirus disease (COVID-19) continues, in Lisbon, Portugal July 6, 2020. REUTERS/Rafael Marchante

Spanish Prime Minister Pedro Sanchez and his Portuguese counterpart Antonio Costa adjust their protective masks as they meet at Sao Bento Palace, as the spread of the coronavirus disease (COVID-19) continues, in Lisbon, Portugal July 6, 2020. REUTERS/Rafael Marchante

Spanish Prime Minister Pedro Sanchez and his Portuguese counterpart Antonio Costa shake hands as they meet at Sao Bento Palace, as the spread of the coronavirus disease (COVID-19) continues, in Lisbon, Portugal July 6, 2020. REUTERS/Rafael Marchante

Spanish Prime Minister Pedro Sanchez and his Portuguese counterpart Antonio Costa wave as they meet at Sao Bento Palace, as the spread of the coronavirus disease (COVID-19) continues, in Lisbon, Portugal July 6, 2020. REUTERS/Rafael Marchante

Drones with LED lights create a figure depicting the Portuguese flag as a tribute to people who have died of the coronavirus disease (COVID-19), during a show in Madrid, Spain, June 26, 2020. REUTERS/Sergio Perez

Members of the Portuguese Navy distribute meals to people in need, amid the coronavirus disease (COVID-19) outbreak, in Lisbon, Portugal June 25, 2020. REUTERS/Rafael Marchante

Members of the Portuguese Navy distribute meals to people in need, amid the coronavirus disease (COVID-19) outbreak, in Lisbon, Portugal June 25, 2020. REUTERS/Rafael Marchante

Members of the Portuguese Navy distribute meals to people in need, amid the coronavirus disease (COVID-19) outbreak, in Lisbon, Portugal June 25, 2020. REUTERS/Rafael Marchante

Members of the Portuguese Navy distribute meals to people in need, amid the coronavirus disease (COVID-19) outbreak, in Lisbon, Portugal June 25, 2020. REUTERS/Rafael Marchante

Members of the Portuguese Navy distribute meals to people in need, amid the coronavirus disease (COVID-19) outbreak, in Lisbon, Portugal June 25, 2020. REUTERS/Rafael Marchante

Portuguese Prime Minister Antonio Costa is accompanied by Finance Minister Mario Centeno, who will resign June 15, and his successor Joao Leao, as he arrives for a news conference at the Ajuda palace in Lisbon, Portugal, June 9, 2020. Jose Sena Goulao/Pool via REUTERS

Portuguese Prime Minister Antonio Costa, Finance Minister Mario Centeno, who will resign June 15, and his successor Joao Leao attend a news conference at the Ajuda palace in Lisbon, Portugal, June 9, 2020. Jose Sena Goulao/Pool via REUTERS

Portuguese Prime Minister Antonio Costa (L) is accompanied by Finance Minister Mario Centeno (R), who will resign June 15, and his successor Joao Leao (back), as he arrives for a news conference at the Ajuda palace in Lisbon, Portugal, June 9, 2020. Jose Sena Goulao/Pool via REUTERS

Portuguese Prime Minister Antonio Costa, Finance Minister Mario Centeno, who will resign June 15, and his successor Joao Leao attend a news conference at the Ajuda palace in Lisbon, Portugal, June 9, 2020. Jose Sena Goulao/Pool via REUTERS

A deserted shopping street presenting the installation entitled "Umbrella Sky Project" created by Portuguese artist Patricia Cunha is seen in Paris as France begun a gradual end to a nationwide lockdown due to the coronavirus disease (COVID-19), France, May 11, 2020. REUTERS/Charles Platiau

A deserted shopping street presenting the installation entitled "Umbrella Sky Project" created by Portuguese artist Patricia Cunha is seen in Paris as France begun a gradual end to a nationwide lockdown due to the coronavirus disease (COVID-19), France, May 11, 2020. REUTERS/Charles Platiau

Brazil's President Jair Bolsonaro holds a paper with a print of the WhatsApp message with former minister Sergio Moro, written below in Portuguese: "This is gossip" as he leaves Alvorada Palace, amid the coronavirus disease (COVID-19) outbreak in Brasilia, Brazil May 4, 2020. REUTERS/Ueslei Marcelino

Brazil's President Jair Bolsonaro holds a paper with a print of the WhatsApp message with former minister Sergio Moro, and written below in Portuguese: "This is gossip" as he leaves Alvorada Palace, amid the coronavirus disease (COVID-19) outbreak in Brasilia, Brazil May 4, 2020. REUTERS/Ueslei Marcelino