A girl, daughter of members of a musical group who perform under an overpass for money, because they are not allowed to play in parties as a measure to avoid more infections with the coronavirus disease (COVID-19), holds a placard which says "Cooperation for musicians", in Monterrey, Mexico March 4, 2021. REUTERS/Daniel Becerril

Coins collected by a musical group who perform under an overpass for money, because they are not allowed to play in parties as a measure to avoid more infections with the coronavirus disease (COVID-19), are pictured, in Monterrey, Mexico March 4, 2021. REUTERS/Daniel Becerril

Coins collected by a musical group who perform under an overpass for money, because they are not allowed to play in parties as a measure to avoid more infections with the coronavirus disease (COVID-19), are pictured, in Monterrey, Mexico March 4, 2021. REUTERS/Daniel Becerril

A man wearing a protective mask receives a dose of China's Sinovac Biotech vaccine for the coronavirus disease (COVID-19) at a drive-thru vaccination station, during the mass vaccination program for elderly people, in Jakarta, Indonesia, March 5, 2021. REUTERS/Willy Kurniawan

A healthcare worker wearing a protective mask and a face shield prepares a dose of China's Sinovac Biotech vaccine for the coronavirus disease (COVID-19) at a drive-thru vaccination station, during the mass vaccination program for elderly people, in Jakarta, Indonesia, March 5, 2021. REUTERS/Willy Kurniawan

A woman wearing a protective mask reacts as she receives a dose of China's Sinovac Biotech vaccine for the coronavirus disease (COVID-19) at a drive-thru vaccination station, during the mass vaccination program for elderly people, in Jakarta, Indonesia, March 5, 2021. REUTERS/Willy Kurniawan

The silhouette of a trumpeter, member of a musical group who performs under an overpass for money as they are not allowed to play at parties due to a measure to avoid more infections with the coronavirus disease (COVID-19), is pictured, in Monterrey, Mexico March 4, 2021. REUTERS/Daniel Becerril

A treble clef tattooed on the arm of a member of a musical group who performs under an overpass for money as they are not allowed to play at parties due to a measure to avoid more infections with the coronavirus disease (COVID-19), is pictured, in Monterrey, Mexico March 4, 2021. REUTERS/Daniel Becerril

A man wearing a protective mask receives a dose of China's Sinovac Biotech vaccine for the coronavirus disease (COVID-19) at a drive-thru vaccination station, during the mass vaccination program for elderly people, in Jakarta, Indonesia, March 5, 2021. REUTERS/Willy Kurniawan

A healthcare worker prepares a dose of China's Sinovac Biotech vaccine for the coronavirus disease (COVID-19) at a drive-thru vaccination station, during the mass vaccination program for elderly people, in Jakarta, Indonesia, March 5, 2021. REUTERS/Willy Kurniawan

A health care worker wearing a protective mask and a face shield prepares a dose of China's Sinovac Biotech vaccine for the coronavirus disease (COVID-19) at a drive-thru vaccination station, during the mass vaccination program for elderly people, in Jakarta, Indonesia, March 5, 2021. REUTERS/Willy Kurniawan

A member of a musical group who performs under an overpass for money as they are not allowed to play at parties due to a measure to avoid more infections with the coronavirus disease (COVID-19), holds a placard reading "Cooperation for musicians", in Monterrey, Mexico March 4, 2021. REUTERS/Daniel Becerril

A person wearing a protective mask sits inside a car during a medical screening before receiving a dose of China's Sinovac Biotech vaccine for the coronavirus disease (COVID-19) at a drive-thru vaccination station, during the mass vaccination program for elderly people, in Jakarta, Indonesia, March 5, 2021. REUTERS/Willy Kurniawan

A man wearing a protective mask receives a dose of China's Sinovac Biotech vaccine for the coronavirus disease (COVID-19) at a drive-thru vaccination station, during the mass vaccination program for elderly people, in Jakarta, Indonesia, March 5, 2021. REUTERS/Willy Kurniawan

A man wearing a protective mask receives a dose of China's Sinovac Biotech vaccine for the coronavirus disease (COVID-19) at a drive-thru vaccination station, during the mass vaccination program for elderly people, in Jakarta, Indonesia, March 5, 2021. REUTERS/Willy Kurniawan

Healthcare workers serve people queuing up in their vehicles to receive a dose of China's Sinovac Biotech vaccine for the coronavirus disease (COVID-19) at a drive-thru vaccination station, during the mass vaccination program for elderly people, in Jakarta, Indonesia, March 5, 2021. REUTERS/Willy Kurniawan

Members of a musical group perform under an overpass for money as they are not allowed to play at parties due to a measure to avoid more infections with the coronavirus disease (COVID-19), in Monterrey, Mexico March 4, 2021. REUTERS/Daniel Becerril

Members of a musical group perform under an overpass for money as they are not allowed to play at parties due to a measure to avoid more infections with the coronavirus disease (COVID-19), in Monterrey, Mexico March 4, 2021. REUTERS/Daniel Becerril

Members of a musical group perform under an overpass for money as they are not allowed to play at parties due to a measure to avoid more infections with the coronavirus disease (COVID-19), in Monterrey, Mexico March 4, 2021. REUTERS/Daniel Becerril

A Caterpillar (Cat) Excavators is seen working at a construction site near the New York Harbor in Brooklyn, New York, U.S., March 4, 2021. REUTERS/Brendan McDermid

One World Trade Center and the lower Manhattan skyline is seen behind a construction site near the New York Harbor in Brooklyn, New York, U.S., March 4, 2021. REUTERS/Brendan McDermid

The Statue of Liberty is seen at sunset in New York Harbor from Brooklyn, New York, U.S., March 4, 2021. REUTERS/Brendan McDermid

The Statue of Liberty is seen at sunset in New York Harbor from Brooklyn, New York, U.S., March 4, 2021. REUTERS/Brendan McDermid

One World Trade Center and the lower Manhattan skyline is seen behind a construction site near the New York Harbor in Brooklyn, New York, U.S., March 4, 2021. REUTERS/Brendan McDermid

The Statue of Liberty is seen at sunset in New York Harbor from Brooklyn, New York, U.S., March 4, 2021. REUTERS/Brendan McDermid

The Statue of Liberty is seen at sunset in New York Harbor from Brooklyn, New York, U.S., March 4, 2021. REUTERS/Brendan McDermid

A woman wearing a protective mask purchases sweets at a restaurant as the coronavirus disease (COVID-19) outbreak continues in central Istanbul, Turkey March 4, 2021. REUTERS/Murad Sezer

A restaurant employee wearing a protective mask prepares sweets for a customer as the coronavirus disease (COVID-19) outbreak continues, in central Istanbul, Turkey March 4, 2021. REUTERS/Murad Sezer

Doctor Carlos Herrera leaves the house of an elderly woman after administering the second dose of the China's SINOVAC vaccine against the coronavirus disease (COVID-19) to her, as Chile starts applying the second dose of the COVID-19 vaccine to its elderly citizens, in Santiago, Chile March 3, 2021. Picture taken March 3, 2021. REUTERS/Ivan Alvarado

Nurse Aracelli Lara administers the second dose of the China's SINOVAC vaccine against the coronavirus disease (COVID-19) to an elderly woman inside her room, as Chile starts applying the second dose of the COVID-19 vaccine to its elderly citizens, in Santiago, Chile March 3, 2021. Picture taken March 3, 2021. REUTERS/Ivan Alvarado

An elderly woman is checked before receiving the second dose of the China's SINOVAC vaccine against the coronavirus disease (COVID-19) at her home, as Chile starts applying the second dose of the COVID-19 vaccine to its elderly citizens, in Santiago, Chile March 3, 2021. Pictutre taken March 3, 2021. REUTERS/Ivan Alvarado

An elderly woman is checked after receiving the second dose of the China's SINOVAC vaccine against the coronavirus disease (COVID-19) at her home, as Chile starts applying the second dose of the COVID-19 vaccine to its elderly citizens, in Santiago, Chile March 3, 2021. Picture taken March 3, 2021. REUTERS/Ivan Alvarado

An elderly woman receives the second dose of the China's SINOVAC vaccine against the coronavirus disease (COVID-19) at her home, as Chile starts applying the second dose of the COVID-19 vaccine to its elderly citizens, in Santiago, Chile March 4, 2021. REUTERS/Ivan Alvarado

Nurse Aracelli Lara puts on her gloves as she prepares to apply the second dose of the China's SINOVAC vaccine against the coronavirus disease (COVID-19) to an elderly woman at her home, as Chile starts applying the second dose of the COVID-19 vaccine to its elderly citizens, in Santiago, Chile March 3, 2021. Picture taken March 3, 2021. REUTERS/Ivan Alvarado

A healthcare worker prepares to administer the second dose of China's SINOVAC vaccine against the coronavirus disease (COVID-19) to an elderly woman at her room, as Chile starts applying the second dose of the COVID-19 vaccine to its elderly citizens, in Santiago, Chile March 3, 2021. Picture taken March 3, 2021. REUTERS/Ivan Alvarado

Nurse Aracelli Lara prepares the second dose of the China's SINOVAC vaccine against the coronavirus disease (COVID-19) inside the room of an elderly woman, as Chile starts applying the second dose of the COVID-19 vaccine to its elderly citizens, in Santiago, Chile March 3, 2021. Picture taken March 3, 2021. REUTERS/Ivan Alvarado

Nurse Aracelli Lara prepares the second dose of the China's SINOVAC vaccine against the coronavirus disease (COVID-19), as Chile starts applying the second dose of the COVID-19 vaccine to its elderly citizens, in Santiago, Chile March 3, 2021. Picture taken March 3, 2021. REUTERS/Ivan Alvarado

Nurse Aracelli Lara checks her stuff as she holds an ID reading 'I get vaccined' while applying the second dose of the China's SINOVAC vaccine against the coronavirus disease (COVID-19), as Chile starts applying the second dose of the COVID-19 vaccine to its elderly citizens, in Santiago, Chile March 3, 2021. Picture taken March 3, 2021. REUTERS/Ivan Alvarado

Doctor Carlos Herrera prepares to check an elderly woman inside her room after receiving the second dose of the China's SINOVAC vaccine against the coronavirus disease (COVID-19), at her home, as Chile starts applying the second dose of the COVID-19 vaccine to its elderly citizens, in Santiago, Chile March 3, 2021. Picture taken March 3, 2021. REUTERS/Ivan Alvarado

Doctor Carlos Herrera prepares to administer the second dose of the China's SINOVAC vaccine against the coronavirus disease (COVID-19) to an elderly woman, as Chile starts applying the second dose of the COVID-19 vaccine to its elderly citizens, in Santiago, Chile March 4, 2021. REUTERS/Ivan Alvarado

A pigeon drinks water from a fountain in a public park, as the spread of the coronavirus disease (COVID-19) continues, in Zurich, Switzerland March 4, 2021. REUTERS/Arnd Wiegmann

A pigeon drinks water from a fountain in a public park, as the spread of the coronavirus disease (COVID-19) continues, in Zurich, Switzerland March 4, 2021. REUTERS/Arnd Wiegmann

People play chess in a public park, as the spread of the coronavirus disease (COVID-19) continues, in Zurich, Switzerland March 4, 2021. REUTERS/Arnd Wiegmann

A man walks by a monument to the founder of the Soviet state Vladimir Lenin, also known as "the biggest head of Lenin in the World", in Ulan-Ude, Republic of Buryatia, Russia March 4, 2021. REUTERS/Maxim Shemetov

A view shows a monument to the founder of the Soviet state Vladimir Lenin, also known as "the biggest head of Lenin in the World", in Ulan-Ude, Republic of Buryatia, Russia March 4, 2021. REUTERS/Maxim Shemetov

A monument to the founder of the Soviet state Vladimir Lenin, also known as "the biggest head of Lenin in the World", is seen with winter festival decorations in Ulan-Ude, Republic of Buryatia, Russia March 4, 2021. REUTERS/Maxim Shemetov

Turkish nurse Yildiz Boyaci prepares a dose of Sinovac's CoronaVac coronavirus disease (COVID-19) vaccine for Nigel Anthony Thorpe, a 76-year old man from United Kingdom living in Turkey, at a healthcare center, as nationwide vaccination continues for seniors, in the Mediterranean town of Alanya, Turkey March 4, 2021. REUTERS/Kaan Soyturk

Nigel Anthony Thorpe, a 76-year old man from United Kingdom living in Turkey, receives the first dose of Sinovac's CoronaVac coronavirus disease (COVID-19) vaccine at a healthcare center, as nationwide vaccination continues for seniors, in the Mediterranean town of Alanya, Turkey March 4, 2021. REUTERS/Kaan Soyturk

Willi Keller, a 67-year old man from Germany living in Turkey, receives the first dose of Sinovac's CoronaVac coronavirus disease (COVID-19) vaccine at a healthcare center, as nationwide vaccination continues for seniors, in the Mediterranean town of Alanya, Turkey March 4, 2021. REUTERS/Kaan Soyturk

Geertje Verwoerd, a 69-year old Dutch woman living in Turkey, receives the first dose of Sinovac's CoronaVac coronavirus disease (COVID-19) vaccine at a healthcare center, as nationwide vaccination continues for seniors, in the Mediterranean town of Alanya, Turkey March 4, 2021. REUTERS/Kaan Soyturk

Ameera Darweesh, a 63-year old Jordanian woman living in Turkey, receives the first dose of Sinovac's CoronaVac coronavirus disease (COVID-19) vaccine at a healthcare center, as nationwide vaccination continues for seniors, in the Mediterranean town of Alanya, Turkey March 4, 2021. REUTERS/Kaan Soyturk

A woman wearing a protective mask and a face shield receives a dose of China's Sinovac Biotech vaccine for the coronavirus disease (COVID-19) at a drive-thru vaccination station, during the mass vaccination program for elderly people, in Jakarta, Indonesia, March 4, 2021. REUTERS/Willy Kurniawan

A woman wearing a protective mask and a face shield receives a dose of China's Sinovac Biotech vaccine for the coronavirus disease (COVID-19) at a drive-thru vaccination station, during the mass vaccination program for elderly people, in Jakarta, Indonesia, March 4, 2021. REUTERS/Willy Kurniawan

A woman has her lunch among cutouts depicting German Chancellor Angela Merkel and former U.S. President Donald Trump that are placed on table for maintaining social distance at the Hulu Noodle restaurant, amid the coronavirus disease (COVID-19) outbreak in Jakarta, Indonesia, March 4, 2021. REUTERS/Ajeng Dinar Ulfiana

An employee cleans a table next to a cutout depicting former U.S. President Donald Trump, placed on a table for maintaining social distance at the Hulu Noodle restaurant, amid the coronavirus disease (COVID-19) outbreak in Jakarta, Indonesia, March 4, 2021. REUTERS/Ajeng Dinar Ulfiana

Malaysian artist Wani Ardy reacts during an interview with Reuters, in Shah Alam, Malaysia March 2, 2021. Picture taken March 2, 2021. REUTERS/Lim Huey Teng

Malaysian artist Wani Ardy poses for a picture after an interview with Reuters, in Shah Alam, Malaysia March 2, 2021. Picture taken March 2, 2021. REUTERS/Lim Huey Teng

Malaysian artist Wani Ardy sings during an interview with Reuters, in Shah Alam, Malaysia March 2, 2021. Picture taken March 2, 2021. REUTERS/Lim Huey Teng

Malaysian artist Wani Ardy poses for a picture after an interview with Reuters, in Shah Alam, Malaysia March 2, 2021. Picture taken March 2, 2021. REUTERS/Lim Huey Teng

Malaysian artist Wani Ardy smiles during an interview with Reuters, in Shah Alam, Malaysia March 2, 2021. Picture taken March 2, 2021. REUTERS/Lim Huey Teng