A man attends to receive a vaccine as part of the seasonal flu vaccination campaign for children and elderly people, during the coronavirus disease (COVID-19) pandemic, in Santiago, Chile April 13, 2021. REUTERS/Ivan Alvarado

Chairs are seen inside a health care facility with signs reading 'Pfizer' as the seasonal flu vaccination campaign for children and elderly starts, during the coronavirus disease (COVID-19) pandemic, in Santiago, Chile April 13, 2021. REUTERS/Ivan Alvarado

A child receives a vaccine as part of the seasonal flu vaccination campaign for children and elderly people, during the coronavirus disease (COVID-19) pandemic, in Santiago, Chile April 13, 2021. REUTERS/Ivan Alvarado

Chairs are seen inside a health care facility with signs reading 'Pfizer' as the seasonal flu vaccination campaign for children and elderly starts, during the coronavirus disease (COVID-19) pandemic, in Santiago, Chile April 13, 2021. REUTERS/Ivan Alvarado

A woman receives a vaccine as part of the seasonal flu vaccination campaign for children and elderly people, during the coronavirus disease (COVID-19) pandemic, in Santiago, Chile April 13, 2021. REUTERS/Ivan Alvarado

A child reacts while receiving a vaccine as part of the seasonal flu vaccination campaign for children and elderly people, during the coronavirus disease (COVID-19) pandemic, in Santiago, Chile April 13, 2021. REUTERS/Ivan Alvarado

A woman attends to receive a vaccine as part of the seasonal flu vaccination campaign for children and elderly people, during the coronavirus disease (COVID-19) pandemic, in Santiago, Chile April 13, 2021. REUTERS/Ivan Alvarado

A man waits to receive a vaccine as part of the seasonal flu vaccination campaign for children and elderly people, during the coronavirus disease (COVID-19) pandemic, in Santiago, Chile April 13, 2021. REUTERS/Ivan Alvarado

A woman receives a vaccine as part of the seasonal flu vaccination campaign during the coronavirus disease (COVID-19) pandemic, in Santiago, Chile April 5, 2021. REUTERS/Ivan Alvarado

A woman receives a vaccine as part of the seasonal flu vaccination campaign during the coronavirus disease (COVID-19) pandemic, in Santiago, Chile April 5, 2021. REUTERS/Ivan Alvarado

A woman arrives to receive a vaccine as part of the seasonal flu vaccination campaign during the coronavirus disease (COVID-19) pandemic, in Santiago, Chile April 5, 2021. REUTERS/Ivan Alvarado

A woman reacts after receiving a vaccine as part of the seasonal flu vaccination campaign during the coronavirus disease (COVID-19) pandemic, in Santiago, Chile April 5, 2021. REUTERS/Ivan Alvarado

A woman receives a vaccination as part of the seasonal flu vaccination campaign during the coronavirus disease (COVID-19) pandemic, in Santiago, Chile April 5, 2021. REUTERS/Ivan Alvarado

A woman receives a vaccination as part of the seasonal flu vaccination campaign during the coronavirus disease (COVID-19) pandemic, in Santiago, Chile April 5, 2021. REUTERS/Ivan Alvarado

A man arrives to receive a vaccination as part of the seasonal flu vaccination campaign during the coronavirus disease (COVID-19) pandemic, in Santiago, Chile April 5, 2021. REUTERS/Ivan Alvarado

A woman reacts while receiving a vaccination as part of the seasonal flu vaccination campaign during the coronavirus disease (COVID-19) pandemic, in Santiago, Chile April 5, 2021. REUTERS/Ivan Alvarado

A woman receives a vaccination as part of the seasonal flu vaccination campaign during the coronavirus disease (COVID-19) pandemic, in Santiago, Chile April 5, 2021. REUTERS/Ivan Alvarado

A woman receives a vaccination as part of the seasonal flu vaccination campaign during the coronavirus disease (COVID-19) pandemic, in Santiago, Chile April 5, 2021. REUTERS/Ivan Alvarado

A worker harvests the first asparagus of the season in Schrobenhausen, Germany, March 31, 2021. REUTERS/Andreas Gebert

A worker harvests the first asparagus of the season in Schrobenhausen, Germany, March 31, 2021. REUTERS/Andreas Gebert

A worker harvests the first asparagus of the season in Schrobenhausen, Germany, March 31, 2021. REUTERS/Andreas Gebert

A worker harvests the first asparagus of the season in Schrobenhausen, Germany, March 31, 2021. REUTERS/Andreas Gebert

Workers harvest the first asparagus of the season in Schrobenhausen, Germany, March 31, 2021. REUTERS/Andreas Gebert

A worker harvests the first asparagus of the season in Schrobenhausen, Germany, March 31, 2021. REUTERS/Andreas Gebert

A worker harvests the first asparagus of the season in Schrobenhausen, Germany, March 31, 2021. REUTERS/Andreas Gebert

A worker harvests the first asparagus of the season in Schrobenhausen, Germany, March 31, 2021. REUTERS/Andreas Gebert

A worker harvests the first asparagus of the season in Schrobenhausen, Germany, March 31, 2021. REUTERS/Andreas Gebert

A worker harvests the first asparagus of the season in Schrobenhausen, Germany, March 31, 2021. REUTERS/Andreas Gebert

Workers harvest the first asparagus of the season in Schrobenhausen, Germany, March 31, 2021. REUTERS/Andreas Gebert

Workers harvest the first asparagus of the season in Schrobenhausen, Germany, March 31, 2021. REUTERS/Andreas Gebert

A worker harvests the first asparagus of the season in Schrobenhausen, Germany, March 31, 2021. REUTERS/Andreas Gebert

People take a photo next to a blooming tree during cherry blossom season in Yuyuantan Park in Beijing, China, March 31, 2021. REUTERS/Thomas Peter TPX IMAGES OF THE DAY

People ride a boat in Yuyuantan Park during cherry blossom season, in Beijing, China, March 31, 2021. REUTERS/Thomas Peter

A woman takes a photo amid blooming trees during cherry blossom season in Yuyuantan Park in Beijing, China, March 31, 2021. REUTERS/Thomas Peter

People take photos next to a blooming tree during cherry blossom season in Yuyuantan Park in Beijing, China, March 31, 2021. REUTERS/Thomas Peter

Women take photos during cherry blossom season in Yuyuantan Park in Beijing, China, March 31, 2021. REUTERS/Thomas Peter

Women take photos amid blooming trees during cherry blossom season in Yuyuantan Park in Beijing, China, March 31, 2021. REUTERS/Thomas Peter

Women take photos next to a blooming tree during cherry blossom season in Yuyuantan Park in Beijing, China, March 31, 2021. REUTERS/Thomas Peter

A woman stands amid blooming trees during cherry blossom season in Yuyuantan Park in Beijing, China, March 31, 2021. REUTERS/Thomas Peter TPX IMAGES OF THE DAY

Schedules, drivers and teams for the 2021 F1 season. Auto updates after each race.

Circuit maps of all 23 circuits for the 2021 season

A girl stands next to a yurt, a traditional nomadic tent, assembled for the warm season on a spring day in the village of Ostemir in Almaty region, Kazakhstan March 23, 2021. Picture taken March 23, 2021. REUTERS/Mariya Gordeyeva

A woman and a girl walk next to a yurt, a traditional nomadic tent, assembled for the warm season on a spring day in the village of Ostemir in Almaty region, Kazakhstan March 23, 2021. Picture taken March 23, 2021. REUTERS/Mariya Gordeyeva

Former New York Yankee pitcher C.C. Sabathia looks on as New York Governor Andrew Cuomo speaks during an event about the return of spectators to performing arts and sporting events, including a limited amount of fans attending baseball games at the start of the season, at his offices in New York, U.S. March 18, 2021. Seth Wenig/Pool via REUTERS

Former New York Mets and New York Yankees pitcher Al Leiter speaks during an event about the return of spectators to performing arts and sporting events, including a limited amount of fans attending baseball games at the start of the season, at his offices in New York, U.S. March 18, 2021. Seth Wenig/Pool via REUTERS

Former New York Mets and New York Yankees pitcher Al Leiter speaks during an event about the return of spectators to performing arts and sporting events, including a limited amount of fans attending baseball games at the start of the season, at his offices in New York, U.S. March 18, 2021. Seth Wenig/Pool via REUTERS

Former baseball players Al Leiter looks on as New York Governor Andrew Cuomo speaks during an event about the return of spectators to performing arts and sporting events, including a limited amount of fans attending baseball games at the start of the season, at his offices in New York, U.S. March 18, 2021. Seth Wenig/Pool via REUTERS

Former baseball players Al Leiter, C.C. Sabathia, and New York Governor Andrew Cuomo attend an event about the return of spectators to performing arts and sporting events, including a limited amount of fans attending baseball games at the start of the season, at his offices in New York, U.S. March 18, 2021. Seth Wenig/Pool via REUTERS

New York Governor Andrew Cuomo speaks during an event about the return of spectators to performing arts and sporting events, including a limited amount of fans attending baseball games at the start of the season, at his offices in New York, U.S. March 18, 2021. Seth Wenig/Pool via REUTERS

New York Governor Andrew Cuomo speaks during an event about the return of spectators to performing arts and sporting events, including a limited amount of fans attending baseball games at the start of the season, at his offices in New York, U.S. March 18, 2021. Seth Wenig/Pool via REUTERS

New York Governor Andrew Cuomo shows off a mask that has both New York Yankees and New York Mets logos during an event about the return of spectators to performing arts and sporting events, including a limited amount of fans attending baseball games at the start of the season, at his offices in New York, U.S. March 18, 2021. Seth Wenig/Pool via REUTERS

New York Governor Andrew Cuomo speaks during an event about the return of spectators to performing arts and sporting events, including a limited amount of fans attending baseball games at the start of the season, at his offices in New York, U.S. March 18, 2021. Seth Wenig/Pool via REUTERS

New York Governor Andrew Cuomo speaks during an event about the return of spectators to performing arts and sporting events, including a limited amount of fans attending baseball games at the start of the season, at his offices in New York, U.S. March 18, 2021. Seth Wenig/Pool via REUTERS

New York Governor Andrew Cuomo speaks during an event about the return of spectators to performing arts and sporting events, including a limited amount of fans attending baseball games at the start of the season, at his offices in New York, U.S. March 18, 2021. Seth Wenig/Pool via REUTERS

New York Governor Andrew Cuomo speaks during an event about the return of spectators to performing arts and sporting events, including a limited amount of fans attending baseball games at the start of the season, at his offices in New York, U.S. March 18, 2021. Seth Wenig/Pool via REUTERS

New York Governor Andrew Cuomo speaks during an event about the return of spectators to performing arts and sporting events, including a limited amount of fans attending baseball games at the start of the season, at his offices in New York, U.S. March 18, 2021. Seth Wenig/Pool via REUTERS

New York Governor Andrew Cuomo speaks during an event about the return of spectators to performing arts and sporting events, including a limited amount of fans attending baseball games at the start of the season, at his offices in New York, U.S. March 18, 2021. Seth Wenig/Pool via REUTERS

New York Governor Andrew Cuomo arrives for an event at his offices in New York, to speak about the return of spectators to performing arts and sporting events, including a limited amount of fans attending baseball games at the start of the season, New York, U.S. March 18, 2021. Seth Wenig/Pool via REUTERS.

A couple walks past an abandoned store after buying new skis for the next season with a huge discount during winter sales, as the coronavirus disease (COVID-19) pandemic lockdown continues, in Bonn, Germany, March 16, 2021. REUTERS/Wolfgang Rattay