Ivete da Conceicao Barboza, 65, is accompanied by health workers as she is discharged after recovering from the coronavirus disease (COVID-19), at the Ronaldo Gazolla Hospital, in Rio de Janeiro, Brazil June 18, 2021. Picture taken June 18, 2021. REUTERS/Pilar Olivares

Patients, who are discharged after recovering from the coronavirus disease (COVID-19), leave the Ronaldo Gazolla Hospital in Rio de Janeiro, Brazil June 18, 2021. Picture taken June 18, 2021.REUTERS/Pilar Olivares

A health worker treats a coronavirus disease (COVID-19) patient at the Intensive Care Unit (ICU) in the Ronaldo Gazolla Hospital, in Rio de Janeiro, Brazil June 18, 2021. Picture taken June 18, 2021.REUTERS/Pilar Olivares

A health worker treats a coronavirus disease (COVID-19) patient at the Intensive Care Unit (ICU) in the Ronaldo Gazolla Hospital, in Rio de Janeiro, Brazil June 18, 2021. Picture taken June 18, 2021. REUTERS/Pilar Olivares

Sirdley Viana Gomide, 75, a patient suffering from the coronavirus disease (COVID-19), receives the visit of his wife Lindalba Santana da Silva, who has been vaccinated against COVID-19, at the Ronaldo Gazolla Hospital in Rio de Janeiro, Brazil June 18, 2021. Picture taken June 18, 2021. REUTERS/Pilar Olivares

Sirdley Viana Gomide, 75, a patient suffering from the coronavirus disease (COVID-19), receives the visit of his wife Lindalba Santana da Silva, who has been vaccinated against COVID-19, at the Ronaldo Gazolla Hospital in Rio de Janeiro, Brazil June 18, 2021. Picture taken June 18, 2021.REUTERS/Pilar Olivares

Health workers adjust their protective clothes at the coronavirus disease (COVID-19) care unit at the Ronaldo Gazolla Hospital in Rio de Janeiro, Brazil June 18, 2021. Picture taken June 18, 2021. REUTERS/Pilar Olivares

Vera Lucia Goncalves de Acevedo, 60, a patient suffering from the coronavirus disease (COVID-19), receives the visit of her husband Eduardo Ribeiro Barreto, who has been vaccinated against COVID-19, at the Ronaldo Gazolla Hospital in Rio de Janeiro, Brazil June 18, 2021. Picture taken June 18, 2021.REUTERS/Pilar Olivares

Vera Lucia Goncalves de Acevedo, 60, a patient suffering from the coronavirus disease (COVID-19), receives the visit of her husband Eduardo Ribeiro Barreto, who has been vaccinated against COVID-19, at the Ronaldo Gazolla Hospital in Rio de Janeiro, Brazil June 18, 2021. Picture taken June 18, 2021. REUTERS/Pilar Olivares

Samuel Dhol Ayeun, a trainee doctor who fled from South Sudan to Uganda, poses for a photo at the Mulago National Specialised Hospital in Kampala, Uganda June 17, 2021. Picture taken June 17, 2021. REUTERS/Abubaker Lubowa

Samuel Dhol Ayeun, a trainee doctor who fled from South Sudan to Uganda, poses for a photo at the Mulago National Specialised Hospital in Kampala, Uganda June 17, 2021. Picture taken June 17, 2021. REUTERS/Abubaker Lubowa

Samuel Dhol Ayeun, a trainee doctor who fled from South Sudan to Uganda, poses for a photo at the Mulago National Specialised Hospital in Kampala, Uganda June 17, 2021. Picture taken June 17, 2021. REUTERS/Abubaker Lubowa

Samuel Dhol Ayeun, a trainee doctor who fled from South Sudan to Uganda, poses for a photo at the Mulago National Specialised Hospital in Kampala, Uganda June 17, 2021. Picture taken June 17, 2021. REUTERS/Abubaker Lubowa

Samuel Dhol Ayeun, a trainee doctor who fled from South Sudan to Uganda, poses for a photo at the Mulago National Specialised Hospital in Kampala, Uganda June 17, 2021. Picture taken June 17, 2021. REUTERS/Abubaker Lubowa

Samuel Dhol Ayeun, a trainee doctor who fled from South Sudan to Uganda, poses for a photo at the Mulago National Specialised Hospital in Kampala, Uganda June 17, 2021. Picture taken June 17, 2021. REUTERS/Abubaker Lubowa

Samuel Dhol Ayeun, a trainee doctor who fled from South Sudan to Uganda, poses for a photo at the Mulago National Specialised Hospital in Kampala, Uganda June 17, 2021. Picture taken June 17, 2021. REUTERS/Abubaker Lubowa

Injured inmates of the high security prison La Tolva are taken to the hospital after fights between imprisoned members of the Barrio 18 and rival gang MS-13, in Moroceli, Honduras June 17, 2021. REUTERS/Fredy Rodriguez

Soccer Football - Euro 2020 - Group B - Denmark v Belgium - Parken Stadium, Copenhagen, Denmark - June 17, 2021 Denmark fans in the stands with a banner for Cristian Eriksen who remains in hospital after collapsing during the match between Denmark and Finland last Saturday. Pool via REUTERS/Stuart Franklin

Britain's Health Secretary Matt Hancock applies hand sanitiser during a tour of Chelsea and Westminster hospital in London, Britain June 17, 2021. Steve Reigate/Pool via REUTERS

Britain's Health Secretary Matt Hancock gestures during a tour of Chelsea and Westminster hospital in London, Britain June 17, 2021. Steve Reigate/Pool via REUTERS

Soccer Football - Euro 2020 - Group B - Denmark v Belgium - Parken Stadium, Copenhagen, Denmark - June 17, 2021 Denmark's Simon Kjaer, Andreas Christensen and Thomas Delaney react after kicking the ball out in the 10th minute of the match to applaud Denmark's Christian Eriksen who remains in hospital after collapsing during the match between Denmark and Finland last Saturday. Pool via REUTERS/Hannah Mckay

Soccer Football - Euro 2020 - Group B - Denmark v Belgium - Parken Stadium, Copenhagen, Denmark - June 17, 2021 Denmark's Simon Kjaer and Andreas Christensen react after kicking the ball out in the 10th minute of the match to applaud Denmark's Christian Eriksen who remains in hospital after collapsing during the match between Denmark and Finland last Saturday. Pool via REUTERS/Hannah Mckay

Soccer Football - Euro 2020 - Group B - Denmark v Belgium - Parken Stadium, Copenhagen, Denmark - June 17, 2021 Denmark's Yussuf Poulsen and Belgium's Romelu Lukaku react after kicking the ball out in the 10th minute of the match to applaud Denmark's Christian Eriksen who remains in hospital after collapsing during the match between Denmark and Finland last Saturday. Pool via REUTERS/Stuart Franklin

Soccer Football - Euro 2020 - Group B - Denmark v Belgium - Parken Stadium, Copenhagen, Denmark - June 17, 2021 Denmark fans react after the ball is kicked out in the 10th minute of the match to applaud Denmark's Christian Eriksen who remains in hospital after collapsing during the match between Denmark and Finland last Saturday. Pool via REUTERS/Stuart Franklin

Soccer Football - Euro 2020 - Group B - Denmark v Belgium - Parken Stadium, Copenhagen, Denmark - June 17, 2021 Denmark's Simon Kjaer applauds as Belgium's Romelu Lukaku hugs Denmark's Thomas Delaney after kicking the ball out in the 10th minute of the match to applaud Denmark's Christian Eriksen who remains in hospital after collapsing during the match between Denmark and Finland last Saturday. Pool via REUTERS/Hannah Mckay

Soccer Football - Euro 2020 - Group B - Denmark v Belgium - Parken Stadium, Copenhagen, Denmark - June 17, 2021 Denmark's Simon Kjaer and Belgium's Romelu Lukaku react after kicking the ball out in the 10th minute of the match to applaud Denmark's Christian Eriksen who remains in hospital after collapsing during the match between Denmark and Finland last Saturday. Pool via REUTERS/Hannah Mckay

Soccer Football - Euro 2020 - Group B - Denmark v Belgium - Parken Stadium, Copenhagen, Denmark - June 17, 2021 Denmark fans react after the ball is kicked out in the 10th minute of the match to applaud Denmark's Christian Eriksen who remains in hospital after collapsing during the match between Denmark and Finland last Saturday. Pool via REUTERS/Stuart Franklin

Soccer Football - Euro 2020 - Group B - Denmark v Belgium - Parken Stadium, Copenhagen, Denmark - June 17, 2021 Denmark fans react after the ball is kicked out in the 10th minute of the match to applaud Denmark's Christian Eriksen who remains in hospital after collapsing during the match between Denmark and Finland last Saturday. Pool via REUTERS/Stuart Franklin

Soccer Football - Euro 2020 - Group B - Denmark v Belgium - Parken Stadium, Copenhagen, Denmark - June 17, 2021 Denmark's Simon Kjaer and Kasper Schmeichel react after kicking the ball out in the 10th minute of the match to applaud Denmark's Christian Eriksen who remains in hospital after collapsing during the match between Denmark and Finland last Saturday. Pool via REUTERS/Hannah Mckay

Soccer Football - Euro 2020 - Group B - Denmark v Belgium - Parken Stadium, Copenhagen, Denmark - June 17, 2021 Denmark's Simon Kjaer and Belgium's Romelu Lukaku react after kicking the ball out in the 10th minute of the match to applaud Denmark's Christian Eriksen who remains in hospital after collapsing during the match between Denmark and Finland last Saturday. Pool via REUTERS/Hannah Mckay

Soccer Football - Euro 2020 - Group B - Denmark v Belgium - Parken Stadium, Copenhagen, Denmark - June 17, 2021 Denmark fans react after players kicked the ball out in the 10th minute of the match to applaud Denmark's Christian Eriksen who remains in hospital after collapsing during the match between Denmark and Finland last Saturday. Pool via REUTERS/Jonathan Nackstrand

Soccer Football - Euro 2020 - Group B - Denmark v Belgium - Parken Stadium, Copenhagen, Denmark - June 17, 2021 Denmark fans react after the ball is kicked out in the 10th minute of the match to applaud Denmark's Christian Eriksen who remains in hospital after collapsing during the match between Denmark and Finland last Saturday. Pool via REUTERS/Hannah Mckay

Soccer Football - Euro 2020 - Group B - Denmark v Belgium - Parken Stadium, Copenhagen, Denmark - June 17, 2021 Denmark's Simon Kjaer and Belgium's Romelu Lukaku react after kicking the ball out in the 10th minute of the match to applaud Denmark's Christian Eriksen who remains in hospital after collapsing during the match between Denmark and Finland last Saturday. Pool via REUTERS/Hannah Mckay

Soccer Football - Euro 2020 - Group B - Denmark v Belgium - Parken Stadium, Copenhagen, Denmark - June 17, 2021 Denmark's Simon Kjaer reacts after kicking the ball out in the 10th minute of the match to applaud Denmark's Christian Eriksen who remains in hospital after collapsing during the match between Denmark and Finland last Saturday. Pool via REUTERS/Jonathan Nackstrand

Soccer Football - Euro 2020 - Group B - Denmark v Belgium - Parken Stadium, Copenhagen, Denmark - June 17, 2021 Players and fans react after kicking the ball out in the 10th minute of the match to applaud Denmark's Christian Eriksen who remains in hospital after collapsing during the match between Denmark and Finland last Saturday. Pool via REUTERS/Stuart Franklin

Soccer Football - Euro 2020 - Group B - Denmark v Belgium - Parken Stadium, Copenhagen, Denmark - June 17, 2021 Denmark's Simon Kjaer and Kasper Schmeichel react after kicking the ball out in the 10th minute of the match to applaud Denmark's Christian Eriksen who remains in hospital after collapsing during the match between Denmark and Finland last Saturday. Pool via REUTERS/Jonathan Nackstrand

Soccer Football - Euro 2020 - Group B - Denmark v Belgium - Parken Stadium, Copenhagen, Denmark - June 17, 2021 Players react after kicking the ball out in the 10th minute of the match to applaud Denmark's Christian Eriksen who remains in hospital after collapsing during the match between Denmark and Finland last Saturday. Pool via REUTERS/Jonathan Nackstrand TPX IMAGES OF THE DAY

Soccer Football - Euro 2020 - Group B - Denmark v Belgium - Parken Stadium, Copenhagen, Denmark - June 17, 2021 Players react after kicking the ball out in the 10th minute of the match to applaud Denmark's Christian Eriksen who remains in hospital after collapsing during the match between Denmark and Finland last Saturday. Pool via REUTERS/Jonathan Nackstrand

Soccer Football - Euro 2020 - Group B - Denmark v Belgium - Parken Stadium, Copenhagen, Denmark - June 17, 2021 Players react after kicking the ball out in the 10th minute of the match to applaud Denmark's Christian Eriksen who remains in hospital after collapsing during the match between Denmark and Finland last Saturday. Pool via REUTERS/Jonathan Nackstrand

Soccer Football - Euro 2020 - Group B - Denmark v Belgium - Parken Stadium, Copenhagen, Denmark - June 17, 2021 Players react after kicking the ball out in the 10th minute of the match to applaud Denmark's Christian Eriksen who remains in hospital after collapsing during the match between Denmark and Finland last Saturday. Pool via REUTERS/Wolfgang Rattay

Soccer Football - Euro 2020 - Group B - Denmark v Belgium - Parken Stadium, Copenhagen, Denmark - June 17, 2021 Players react after kicking the ball out in the 10th minute of the match to applaud Denmark's Christian Eriksen who remains in hospital after collapsing during the match between Denmark and Finland last Saturday. Pool via REUTERS/Wolfgang Rattay

Soccer Football - Euro 2020 - Group B - Denmark v Belgium - Parken Stadium, Copenhagen, Denmark - June 17, 2021 Players and fans react after kicking the ball out in the 10th minute of the match to applaud Denmark's Christian Eriksen who remains in hospital after collapsing during the match between Denmark and Finland last Saturday. Pool via REUTERS/Stuart Franklin

Soccer Football - Euro 2020 - Group B - Denmark v Belgium - Parken Stadium, Copenhagen, Denmark - June 17, 2021 Players and fans react after kicking the ball out in the 10th minute of the match to applaud Denmark's Christian Eriksen who remains in hospital after collapsing during the match between Denmark and Finland last Saturday. Pool via REUTERS/Stuart Franklin

Soccer Football - Euro 2020 - Group B - Denmark v Belgium - Parken Stadium, Copenhagen, Denmark - June 17, 2021 Players react after kicking the ball out in the 10th minute of the match to applaud Denmark's Christian Eriksen who remains in hospital after collapsing during the match between Denmark and Finland last Saturday. Pool via REUTERS/Wolfgang Rattay TPX IMAGES OF THE DAY

Soccer Football - Euro 2020 - Group B - Denmark v Belgium - Parken Stadium, Copenhagen, Denmark - June 17, 2021 Denmark's Simon Kjaer is handed a framed shirt for Denmark's Christian Eriksen who remains in hospital after collapsing during the match between Denmark and Finland last Saturday by Belgium's Jan Vertonghen before the match Pool via REUTERS/Hannah Mckay

Soccer Football - Euro 2020 - Group B - Denmark v Belgium - Parken Stadium, Copenhagen, Denmark - June 17, 2021 Denmark's Simon Kjaer holds a framed shirt for Denmark's Christian Eriksen who remains in hospital after collapsing during the match between Denmark and Finland last Saturday before the match Pool via REUTERS/Hannah Mckay

Soccer Football - Euro 2020 - Group B - Denmark v Belgium - Parken Stadium, Copenhagen, Denmark - June 17, 2021 Denmark fans in the stands before the match with a banner for Cristian Eriksen who remains in hospital after collapsing during the match between Denmark and Finland last Saturday. Pool via REUTERS/Wolfgang Rattay

Soccer Football - Euro 2020 - Group B - Denmark v Belgium - Parken Stadium, Copenhagen, Denmark - June 17, 2021 Denmark players before the match as a banner for Cristian Eriksen who remains in hospital after collapsing during the match between Denmark and Finland last Saturday. is shown in the stands Pool via REUTERS/Jonathan Nackstrand

Soccer Football - Euro 2020 - Group B - Denmark v Belgium - Parken Stadium, Copenhagen, Denmark - June 17, 2021 Denmark fans in the stands with a Christian Eriksen jersey who remains in hospital after collapsing during the match between Denmark and Finland last Saturday. Pool via REUTERS/Jonathan Nackstrand

Britain's Prince Charles and Health Secretary Matt Hancock meet with NHS staff during a visit to Chelsea and Westminster hospital in London, Britain June 17, 2021. Steve Reigate/Pool via REUTERS

Soccer Football - Euro 2020 - Group B - Denmark v Belgium - Parken Stadium, Copenhagen, Denmark - June 17, 2021 Belgium fans in the stands before the match with a banner for Cristian Eriksen who remains in hospital after collapsing during the match between Denmark and Finland last Saturday. Pool via REUTERS/Wolfgang Rattay

Britain's Health Secretary Matt Hancock reacts during a tour of Chelsea and Westminster hospital in London, Britain June 17, 2021. Steve Reigate/Pool via REUTERS

Soccer Football - Euro 2020 - Group B - Denmark v Belgium - Parken Stadium, Copenhagen, Denmark - June 17, 2021 Belgium fans in the stands before the match with a banner for Cristian Eriksen who remains in hospital after collapsing during the match between Denmark and Finland last Saturday. Pool via REUTERS/Jonathan Nackstrand

Britain's Prince Charles and Health Secretary Matt Hancock walk during a tour of Chelsea and Westminster hospital in London, Britain June 17, 2021. Steve Reigate/Pool via REUTERS

Soccer Football - Euro 2020 - Group B - Denmark v Belgium - Parken Stadium, Copenhagen, Denmark - June 17, 2021 Denmark fans in the stands before the match with a banner for Cristian Eriksen who remains in hospital after collapsing during the match between Denmark and Finland last Saturday. Pool via REUTERS/Jonathan Nackstrand

Britain's Prince Charles and Health Secretary Matt Hancock meet with NHS staff during a visit to Chelsea and Westminster hospital in London, Britain June 17, 2021. Steve Reigate/Pool via REUTERS

Britain's Health Secretary Matt Hancock and Prince Charles meet with NHS staff during a visit to Chelsea and Westminster hospital in London, Britain June 17, 2021. Steve Reigate/Pool via REUTERS

Britain's Health Secretary Matt Hancock bows as he meets with NHS staff during a visit to Chelsea and Westminster hospital in London, Britain June 17, 2021. Steve Reigate/Pool via REUTERS

Britain's Health Secretary Matt Hancock meets with NHS staff during a visit to Chelsea and Westminster hospital in London, Britain June 17, 2021. Steve Reigate/Pool via REUTERS

Britain's Health Secretary Matt Hancock meets with NHS staff during a visit to Chelsea and Westminster hospital in London, Britain June 17, 2021. Steve Reigate/Pool via REUTERS