Milton Keynes, United Kingdom
Medical staff treat seriously ill COVID-19 patients at Milton Keynes University Hospital, amid the spread...
A chart indicating colour coding systems for different oxygen delivery percentages is seen on a wall in the HDU (High Dependency Unit) at Milton Keynes University Hospital, amid the spread of the coronavirus disease (COVID-19) pandemic, Milton Keynes, Britain, January 20, 2021. Picture taken January 20, 2021. REUTERS/Toby Melville