BBC News has been given rare access to the team treating patients badly hit by the coronavirus in a leading London hospital.
University College Hospital has one of the UK’s biggest intensive care facilities.
The latest official figures say that 439 people in the UK have died in hospital from the effects of Coronavirus up to 5pm on Sunday.
It brings the total number of deaths in hospital from the disease to 5,373. These figures do not account for people who have died in the community or in a care home.
This special report is by our medical correspondent Fergus Walsh and cameraman Adam Walker.
Produced for the BBC News at Six and presented by Huw Edwards.