Ambulances carrying patients with the coronavirus disease (COVID-19) are queued outside the Santa Maria Hospital, as the coronavirus disease (COVID-19) outbreak continues, in Lisbon, Portugal, January 22, 2021. REUTERS/Pedro Nunes

A Civil Security health personnel waits outside vaccination booths at a coronavirus disease vaccination center in Guingamp, France, January 22, 2021. REUTERS/Benoit Tessier

Signs are seen as ambulances carrying patients with the coronavirus disease (COVID-19) queued outside the Santa Maria Hospital, as the coronavirus disease (COVID-19) outbreak continues, in Lisbon, Portugal, January 22, 2021. REUTERS/Pedro Nunes

A woman checks her phone in front of a closed shop as the spread of the coronavirus disease (COVID-19) continues, in Rome, Italy January 22, 2021. REUTERS/Yara Nardi

A man walks past a closed shop as the spread of the coronavirus disease (COVID-19) continues, in Rome, Italy January 22, 2021. REUTERS/Yara Nardi

A woman walks past a closed shop as the spread of the coronavirus disease (COVID-19) continues, in Rome, Italy January 22, 2021. REUTERS/Yara Nardi

People wait at a bus stop as the spread of the coronavirus disease (COVID-19) continues, in Rome, Italy January 22, 2021. REUTERS/Yara Nardi

A woman walks with her dog past a closed theater as the spread of the coronavirus disease (COVID-19) continues, in Rome, Italy January 22, 2021. REUTERS/Yara Nardi

A health worker gestures next to ambulances carrying patients with the coronavirus disease (COVID-19) outside the Santa Maria Hospital, as the coronavirus disease (COVID-19) outbreak continues, in Lisbon, Portugal, January 22, 2021. REUTERS/Pedro Nunes

A vial with the Oxford/AstraZeneca coronavirus disease (COVID-19) vaccine is displayed at an NHS vaccination centre in York, Britain, January 22, 2021. REUTERS/Lee Smith

North Rhine-Westphalia's State Premier and new leader of the Christian Democratic Union (CDU) Armin Laschet speaks during a news conference at the CDU headquarters in Berlin, Germany January 22, 2021. Odd Andersen/Pool via REUTERS

North Rhine-Westphalia's State Premier and new leader of the Christian Democratic Union (CDU) Armin Laschet speaks during a news conference at the CDU headquarters in Berlin, Germany January 22, 2021. Odd Andersen/Pool via REUTERS

A health worker prepares to administer the Oxford/AstraZeneca coronavirus disease (COVID-19) vaccine at an NHS vaccination centre in York, Britain, January 22, 2021. REUTERS/Lee Smith

A health worker gestures next to ambulances carrying patients with the coronavirus disease (COVID-19) outside the Santa Maria Hospital, as the coronavirus disease (COVID-19) outbreak continues, in Lisbon, Portugal, January 22, 2021. REUTERS/Pedro Nunes

Elderly people, over 75 years of age, register to receive the Pfizer-BioNTech COVID-19 vaccine at a coronavirus disease vaccination center in Guingamp, France, January 22, 2021. REUTERS/Benoit Tessier

Medical workers administer nasal swabs to patients at a coronavirus disease (COVID-19) testing centre in Nantes, France, January 22, 2021. REUTERS/Stephane Mahe

Ambulances carrying patients with the coronavirus disease (COVID-19) are queued outside the Santa Maria Hospital, as the coronavirus disease (COVID-19) outbreak continues, in Lisbon, Portugal, January 22, 2021. REUTERS/Pedro Nunes

A person receives the Oxford/AstraZeneca coronavirus disease (COVID-19) vaccine at an NHS vaccination centre in York, Britain, January 22, 2021. REUTERS/Lee Smith

A medical worker, wearing a protective suit and face mask, works at a coronavirus disease (COVID-19) testing centre in Nantes, France, January 22, 2021. REUTERS/Stephane Mahe

A medical worker administers nasal swab to a patient at a coronavirus disease (COVID-19) testing centre in Nantes, France, January 22, 2021. REUTERS/Stephane Mahe

Ambulances carrying patients with the coronavirus disease (COVID-19) are queued outside the Santa Maria Hospital, as the coronavirus disease (COVID-19) outbreak continues, in Lisbon, Portugal, January 22, 2021. REUTERS/Pedro Nunes

Medical workers administer nasal swabs to patients at a coronavirus disease (COVID-19) testing centre in Nantes, France, January 22, 2021. REUTERS/Stephane Mahe

A man wearing a protective face mask walks at Trocadero square near the Eiffel Tower in Paris amid the coronavirus disease (COVID-19) outbreak in France, January 22, 2021. REUTERS/Gonzalo Fuentes

A medical worker, wearing a protective suit and face mask, works at a coronavirus disease (COVID-19) testing centre in Nantes, France, January 22, 2021. REUTERS/Stephane Mahe

Medical workers, wearing protective suits and face masks, work at a coronavirus disease (COVID-19) testing centre in Nantes, France, January 22, 2021. REUTERS/Stephane Mahe

Ambulances carrying patients with the coronavirus disease (COVID-19) are queued outside the Santa Maria Hospital, as the coronavirus disease (COVID-19) outbreak continues, in Lisbon, Portugal, January 22, 2021. REUTERS/Pedro Nunes

Ambulances carrying patients with the coronavirus disease (COVID-19) are queued outside the Santa Maria Hospital, as the coronavirus disease (COVID-19) outbreak continues, in Lisbon, Portugal, January 22, 2021. REUTERS/Pedro Nunes

People, wearing protective face masks, walk at Trocadero square near the Eiffel Tower in Paris amid the coronavirus disease (COVID-19) outbreak in France, January 22, 2021. REUTERS/Gonzalo Fuentes

People, wearing protective face masks, walk at Trocadero square near the Eiffel Tower in Paris amid the coronavirus disease (COVID-19) outbreak in France, January 22, 2021. REUTERS/Gonzalo Fuentes

The logo of the Tous AntiCovid App (Everyone against the Covid) is seen on the Montparnasse tower near the Eiffel Tower in Paris amid the coronavirus disease (COVID-19) outbreak in France, January 22, 2021. REUTERS/Gonzalo Fuentes

A person receives the Oxford/AstraZeneca coronavirus disease (COVID-19) vaccine at an NHS vaccination centre in York, Britain, January 22, 2021. REUTERS/Lee Smith

A health worker prepares to administer the Oxford/AstraZeneca coronavirus disease (COVID-19) vaccine at an NHS vaccination centre in York, Britain, January 22, 2021. REUTERS/Lee Smith

Men, wearing protective face masks, walk at Trocadero square near the Eiffel Tower in Paris amid the coronavirus disease (COVID-19) outbreak in France, January 22, 2021. REUTERS/Gonzalo Fuentes

People sit together during sunset, amid a countrywide lockdown to combat the coronavirus disease (COVID-19), in Dbayeh, Lebanon, January 22, 2021. REUTERS/Mohamed Azakir

A souvenir vendor, wearing a protective face mask, sells Eiffel tower models at Trocadero square in Paris amid the coronavirus disease (COVID-19) outbreak in France, January 22, 2021. REUTERS/Gonzalo Fuentes

The logo of the Tous AntiCovid App (Everyone against the Covid) is seen on the Montparnasse tower as a man wearing a protective face mask walks near the Eiffel Tower in Paris amid the coronavirus disease (COVID-19) outbreak in France, January 22, 2021. REUTERS/Gonzalo Fuentes

North Rhine-Westphalia's State Premier and new leader of the Christian Democratic Union (CDU) Armin Laschet and Christian Democratic Union (CDU) Secretary General Paul Ziemiak leave at the end of a news conference at the CDU headquarters in Berlin, Germany January 22, 2021. Odd Andersen/Pool via REUTERS

North Rhine-Westphalia's State Premier and new leader of the Christian Democratic Union (CDU) Armin Laschet bumps fists with Christian Democratic Union (CDU) Secretary General Paul Ziemiak at the end a news conference at the CDU headquarters in Berlin, Germany January 22, 2021. Odd Andersen/Pool via REUTERS

A man, wearing protective face mask, walks at Trocadero square near the Eiffel Tower in Paris amid the coronavirus disease (COVID-19) outbreak in France, January 22, 2021. REUTERS/Gonzalo Fuentes

A man, wearing protective face mask, walks at Trocadero square near the Eiffel Tower in Paris amid the coronavirus disease (COVID-19) outbreak in France, January 22, 2021. REUTERS/Gonzalo Fuentes

North Rhine-Westphalia's State Premier and new leader of the Christian Democratic Union (CDU) Armin Laschet speaks during a news conference at the CDU headquarters in Berlin, Germany January 22, 2021. Odd Andersen/Pool via REUTERS

Handball - 2021 IHF Handball World Championship - Main Round Group 4 - North Macedonia v Russia - Cairo Stadium Hall 1, Cairo, Egypt - January 22, 2021 Russia's Dmitry Kornev and Azat Valiullin react after the match Pool via REUTERS/Mohamed Abd El Ghany

A medical worker, wearing a protective suit and face mask, works at a coronavirus disease (COVID-19) testing centre in Nantes, France, January 22, 2021. REUTERS/Stephane Mahe

North Rhine-Westphalia's State Premier and new leader of the Christian Democratic Union (CDU) Armin Laschet speaks during a news conference at the CDU headquarters in Berlin, Germany January 22, 2021. Odd Andersen/Pool via REUTERS

North Rhine-Westphalia's State Premier and new leader of the Christian Democratic Union (CDU) Armin Laschet speaks during a news conference at the CDU headquarters in Berlin, Germany January 22, 2021. Odd Andersen/Pool via REUTERS

Mourners carry bodies which were exhumed from a mass grave, to rebury them in Tripoli, Libya January 22, 2021. REUTERS/Hazem Ahmed

North Rhine-Westphalia's State Premier and new leader of the Christian Democratic Union (CDU) Armin Laschet speaks during a news conference at the CDU headquarters in Berlin, Germany January 22, 2021. Odd Andersen/Pool via REUTERS

Mourners rebury a body which was exhumed from a mass grave, in Tripoli, Libya January 22, 2021. REUTERS/Hazem Ahmed

North Rhine-Westphalia's State Premier and new leader of the Christian Democratic Union (CDU) Armin Laschet speaks during a news conference at the CDU headquarters in Berlin, Germany January 22, 2021. Odd Andersen/Pool via REUTERS

Mourners rebury a body which was exhumed from a mass grave, in Tripoli, Libya January 22, 2021. REUTERS/Hazem Ahmed

North Rhine-Westphalia's State Premier and new leader of the Christian Democratic Union (CDU) Armin Laschet puts on his protective face mask prior a news conference at the CDU headquarters in Berlin, Germany January 22, 2021. Odd Andersen/Pool via REUTERS

North Rhine-Westphalia's State Premier and new leader of the Christian Democratic Union (CDU) Armin Laschet holds a note as he waits prior a news conference at the CDU headquarters in Berlin, Germany January 22, 2021. Odd Andersen/Pool via REUTERS

North Rhine-Westphalia's State Premier and new leader of the Christian Democratic Union (CDU) Armin Laschet waits prior a news conference at the CDU headquarters in Berlin, Germany January 22, 2021. Odd Andersen/Pool via REUTERS

Handball - 2021 IHF Handball World Championship - Main Round Group 3 - Switzerland v Portugal - Dr Hassan Moustafa Sports Hall, Giza, Egypt - January 22, 2021 Portugal players celebrate after the match Pool via REUTERS/Anne-Christine Poujoulat

A mourner reacts near bodies which were exhumed from a mass grave in Tarhouna, before getting reburied in Tripoli, Libya January 22, 2021. REUTERS/Hazem Ahmed

North Rhine-Westphalia's State Premier and new leader of the Christian Democratic Union (CDU) Armin Laschet and Christian Democratic Union (CDU) Secretary General Paul Ziemiak wait prior a news conference at the CDU headquarters in Berlin, Germany January 22, 2021. Odd Andersen/Pool via REUTERS

North Rhine-Westphalia's State Premier and new leader of the Christian Democratic Union (CDU) Armin Laschet and Christian Democratic Union (CDU) Secretary General Paul Ziemiak arrive at the CDU headquarters in Berlin, Germany January 22, 2021. Odd Andersen/Pool via REUTERS

Handball - 2021 IHF Handball World Championship - Main Round Group 3 - Switzerland v Portugal - Dr Hassan Moustafa Sports Hall, Giza, Egypt - January 22, 2021 Portugal players celebrate after the match Pool via REUTERS/Anne-Christine Poujoulat

People carry a body which was exhumed from a mass grave in Tarhouna, before getting reburied in Tripoli, Libya January 22, 2021. REUTERS/Hazem Ahmed

Handball - 2021 IHF Handball World Championship - Main Round Group 4 - North Macedonia v Russia - Cairo Stadium Hall 1, Cairo, Egypt - January 22, 2021 North Macedonia head coach Nikola Matlieski Pool via REUTERS/Mohamed Abd El Ghany