Britain's Health Secretary Matt Hancock holds a flower during the annual Florence Nightingale Foundation service at Westminster Abbey in London, Britain, May 12, 2021. REUTERS/Hannah Mckay

Helena Bonham Carter attends the annual Florence Nightingale Foundation service at Westminster Abbey in London, Britain, May 12, 2021. REUTERS/Hannah Mckay

Britain's Health Secretary Matt Hancock attends the annual Florence Nightingale Foundation service at Westminster Abbey in London, Britain, May 12, 2021. REUTERS/Hannah Mckay

Britain's Health Secretary Matt Hancock attends the annual Florence Nightingale Foundation service at Westminster Abbey in London, Britain, May 12, 2021. REUTERS/Hannah Mckay

Britain's Health Secretary Matt Hancock lays a flower during the annual Florence Nightingale Foundation service at Westminster Abbey in London, Britain, May 12, 2021. REUTERS/Hannah Mckay

Helena Bonham Carter attends the annual Florence Nightingale Foundation service at Westminster Abbey in London, Britain, May 12, 2021. REUTERS/Hannah Mckay

Britain's Health Secretary Matt Hancock lays a flower during the annual Florence Nightingale Foundation service at Westminster Abbey in London, Britain, May 12, 2021. REUTERS/Hannah Mckay

Helena Bonham Carter attends the annual Florence Nightingale Foundation service at Westminster Abbey in London, Britain, May 12, 2021. REUTERS/Hannah Mckay

Helena Bonham Carter attends the annual Florence Nightingale Foundation service at Westminster Abbey in London, Britain, May 12, 2021. REUTERS/Hannah Mckay

Helena Bonham Carter leaves after the annual Florence Nightingale Foundation service at Westminster Abbey in London, Britain, May 12, 2021. REUTERS/Hannah Mckay

Helena Bonham Carter attends the annual Florence Nightingale Foundation service at Westminster Abbey in London, Britain, May 12, 2021. REUTERS/Hannah Mckay

Golf - European Tour - British Masters - The Belfry, Sutton Coldfield, Britain - May 12, 2021 Austria's Bernd Wiesberger during the first round Action Images via Reuters/Paul Childs

Golf - European Tour - British Masters - The Belfry, Sutton Coldfield, Britain - May 12, 2021 England's Danny Willett during the first round Action Images via Reuters/Paul Childs

Golf - European Tour - British Masters - The Belfry, Sutton Coldfield, Britain - May 12, 2021 England's James Morrison in action Action Images via Reuters/Paul Childs

Golf - European Tour - British Masters - The Belfry, Sutton Coldfield, Britain - May 12, 2021 England's James Morrison in action Action Images via Reuters/Paul Childs

Golf - European Tour - British Masters - The Belfry, Sutton Coldfield, Britain - May 12, 2021 England's Andy Sullivan in action Action Images via Reuters/Paul Childs

Golf - European Tour - British Masters - The Belfry, Sutton Coldfield, Britain - May 12, 2021 England's Danny Willett during the first round Action Images via Reuters/Paul Childs

Golf - European Tour - British Masters - The Belfry, Sutton Coldfield, Britain - May 12, 2021 Austria's Bernd Wiesberger during the first round Action Images via Reuters/Paul Childs

Golf - European Tour - British Masters - The Belfry, Sutton Coldfield, Britain - May 12, 2021 England's Danny Willett during the first round Action Images via Reuters/Paul Childs

Golf - European Tour - British Masters - The Belfry, Sutton Coldfield, Britain - May 12, 2021 England's Danny Willett during the first round Action Images via Reuters/Paul Childs

Golf - European Tour - British Masters - The Belfry, Sutton Coldfield, Britain - May 12, 2021 Austria's Bernd Wiesberger during the first round Action Images via Reuters/Paul Childs

Golf - European Tour - British Masters - The Belfry, Sutton Coldfield, Britain - May 12, 2021 Austria's Bernd Wiesberger during the first round Action Images via Reuters/Paul Childs

Golf - European Tour - British Masters - The Belfry, Sutton Coldfield, Britain - May 12, 2021 England's Danny Willett during the first round Action Images via Reuters/Paul Childs

Golf - European Tour - British Masters - The Belfry, Sutton Coldfield, Britain - May 12, 2021 England's Danny Willett during the first round Action Images via Reuters/Paul Childs

Golf - European Tour - British Masters - The Belfry, Sutton Coldfield, Britain - May 12, 2021 England's Danny Willett during the first round Action Images via Reuters/Paul Childs

Golf - European Tour - British Masters - The Belfry, Sutton Coldfield, Britain - May 12, 2021 England's Danny Willett during the first round Action Images via Reuters/Paul Childs

Golf - European Tour - British Masters - The Belfry, Sutton Coldfield, Britain - May 12, 2021 England's Danny Willett during the first round Action Images via Reuters/Paul Childs

Golf - European Tour - British Masters - The Belfry, Sutton Coldfield, Britain - May 12, 2021 England's Danny Willett during the first round Action Images via Reuters/Paul Childs

Golf - European Tour - British Masters - The Belfry, Sutton Coldfield, Britain - May 12, 2021 England's Danny Willett during the first round Action Images via Reuters/Paul Childs

Golf - European Tour - British Masters - The Belfry, Sutton Coldfield, Britain - May 12, 2021 England's Danny Willett reacts during the first round Action Images via Reuters/Paul Childs

Golf - European Tour - British Masters - The Belfry, Sutton Coldfield, Britain - May 12, 2021 England's Danny Willett during the first round Action Images via Reuters/Paul Childs

Golf - European Tour - British Masters - The Belfry, Sutton Coldfield, Britain - May 12, 2021 England's Danny Willett during the first round Action Images via Reuters/Paul Childs

Golf - European Tour - British Masters - The Belfry, Sutton Coldfield, Britain - May 12, 2021 England's Andy Sullivan in action Action Images via Reuters/Paul Childs

Britain's Prime Minister Boris Johnson arrives for the annual Florence Nightingale Foundation service at Westminster Abbey in London, Britain, May 12, 2021. REUTERS/Toby Melville

Britain's Prime Minister Boris Johnson arrives for the annual Florence Nightingale Foundation service at Westminster Abbey in London, Britain, May 12, 2021.

Britain's Prime Minister Boris Johnson arrives for the annual Florence Nightingale Foundation service at Westminster Abbey in London, Britain, May 12, 2021. REUTERS/Toby Melville

Britain's Camilla, Duchess of Cornwall talks to staff during a visit to Whittington Hospital on International Nurses Day in London, Britain May 12, 2021. Paul Grover/Pool via REUTERS

Britain's Camilla, Duchess of Cornwall meets with young patient during a visit to Whittington Hospital on International Nurses Day in London, Britain May 12, 2021. Paul Grover/Pool via REUTERS

Britain's Camilla, Duchess of Cornwall meets with young patient during a visit to Whittington Hospital on International Nurses Day in London, Britain May 12, 2021. Paul Grover/Pool via REUTERS

Britain's Camilla, Duchess of Cornwall helps to plant a shrub with Kate Green in hospital gardens during a visit to Whittington Hospital on International Nurses Day in London, Britain May 12, 2021. Kirsty Wigglesworth/Pool via REUTERS

Britain's Camilla, Duchess of Cornwall helps to plant a shrub with Kate Green and Nursing Director Michelle Johnson in hospital gardens during a visit to Whittington Hospital on International Nurses Day in London, Britain May 12, 2021. Kirsty Wigglesworth/Pool via REUTERS

Britain's Camilla, Duchess of Cornwall smiles next to Baroness Julia Neuberger in hospital gardens during a visit to Whittington Hospital on International Nurses Day in London, Britain May 12, 2021. Kirsty Wigglesworth/Pool via REUTERS

Britain's Camilla, Duchess of Cornwall speaks to Zoe Broadhead, critical care outreach sister, during a visit to Whittington Hospital on International Nurses Day in London, Britain May 12, 2021. Kirsty Wigglesworth/Pool via REUTERS

Britain's Camilla, Duchess of Cornwall speaks to Zoe Broadhead, critical care outreach sister, during a visit to Whittington Hospital on International Nurses Day in London, Britain May 12, 2021. Kirsty Wigglesworth/Pool via REUTERS

Scotland's First Minister Nicola Sturgeon, leader of Scottish Labour Party Anas Sarwar and Scottish Cabinet Secretary for Justice Humza Yousaf visit Glasgow Central Mosque accompanied by Irfan Razzaq, ahead of Eid al-Fitr to mark the end of the month of Ramadan, amid the spread of coronavirus (COVID-19), in Glasgow, Scotland, Britain, May 12, 2021. REUTERS/Russell Cheyne/Pool

Scotland's First Minister Nicola Sturgeon, leader of Scottish Labour Party Anas Sarwar and Scottish Cabinet Secretary for Justice Humza Yousaf stand at the library of Glasgow Central Mosque during a visit ahead of Eid al-Fitr to mark the end of the month of Ramadan, amid the spread of coronavirus (COVID-19), in Glasgow, Scotland, Britain, May 12, 2021. REUTERS/Russell Cheyne/Pool

Scotland's First Minister Nicola Sturgeon speaks during her visit to Glasgow Central Mosque ahead of Eid al-Fitr to mark the end of the month of Ramadan, amid the spread of coronavirus (COVID-19), in Glasgow, Scotland, Britain, May 12, 2021. REUTERS/Russell Cheyne/Pool

Scotland's First Minister Nicola Sturgeon, leader of Scottish Labour Party Anas Sarwar and Scottish Cabinet Secretary for Justice Humza Yousaf sit at the library of Glasgow Central Mosque during a visit ahead of Eid al-Fitr to mark the end of the month of Ramadan, amid the spread of coronavirus (COVID-19), in Glasgow, Scotland, Britain, May 12, 2021. REUTERS/Russell Cheyne/Pool

Britain's Camilla, Duchess of Cornwall meets NHS staff during a visit to Whittington Hospital on International Nurses Day in London, Britain May 12, 2021. Kirsty Wigglesworth/Pool via REUTERS

Britain's Camilla, Duchess of Cornwall talks to Nursing Director Michelle Johnson during a visit to Whittington Hospital on International Nurses Day in London, Britain May 12, 2021. Kirsty Wigglesworth/Pool via REUTERS

Britain's Camilla, Duchess of Cornwall walks with Nursing Director Michelle Johnson during a visit to Whittington Hospital on International Nurses Day in London, Britain May 12, 2021. Kirsty Wigglesworth/Pool via REUTERS

Scotland's First Minister Nicola Sturgeon leaves after visiting Glasgow Central Mosque ahead of Eid al-Fitr to mark the end of the month of Ramadan, amid the spread of coronavirus (COVID-19), in Glasgow, Scotland, Britain, May 12, 2021. REUTERS/Russell Cheyne/Pool

Scotland's First Minister Nicola Sturgeon leaves after visiting Glasgow Central Mosque ahead of Eid al-Fitr to mark the end of the month of Ramadan, amid the spread of coronavirus (COVID-19), in Glasgow, Scotland, Britain, May 12, 2021. REUTERS/Russell Cheyne/Pool

Scotland's First Minister Nicola Sturgeon talks to Irfan Razzaq at the library of the Glasgow Central Mosque, during a visit ahead of Eid al-Fitr to mark the end of the month of Ramadan, amid the spread of coronavirus (COVID-19), in Glasgow, Scotland, Britain, May 12, 2021. REUTERS/Russell Cheyne/Pool

Britain's Camilla, Duchess of Cornwall speaks to Nursing Director Michelle Johnson during a visit to Whittington Hospital on International Nurses Day in London, Britain May 12, 2021. Kirsty Wigglesworth/Pool via REUTERS

Britain's Camilla, Duchess of Cornwall meets Roald Dahl Specialist Nurse Giselle Padmore-Payne during a visit to Whittington Hospital on International Nurses Day in London, Britain May 12, 2021. Kirsty Wigglesworth/Pool via REUTERS

Britain's Camilla, Duchess of Cornwall holds a gift of a book in the hospital gardens during a visit to Whittington Hospital on International Nurses Day in London, Britain May 12, 2021. Kirsty Wigglesworth/Pool via REUTERS

Britain's Camilla, Duchess of Cornwall waves to watching staff during a visit to Whittington Hospital on International Nurses Day in London, Britain May 12, 2021. Kirsty Wigglesworth/Pool via REUTERS

Britain's Camilla, Duchess of Cornwall waves to watching staff during a visit to Whittington Hospital on International Nurses Day in London, Britain May 12, 2021. Kirsty Wigglesworth/Pool via REUTERS

Scotland's First Minister Nicola Sturgeon sits at the library of the Glasgow Central Mosque during a visit ahead of Eid al-Fitr to mark the end of the month of Ramadan, amid the spread of coronavirus (COVID-19), in Glasgow, Scotland, Britain, May 12, 2021. REUTERS/Russell Cheyne/Pool