Professor Christina Pagel was interviewed by BBC News to discuss the pressure on the NHS, particularly in London, and what else the government should be doing to reduce transmission.
Watch as she discusses how London is currently admitting the equivalent of a large hospital worth of Covid patients every day and the unbearable strain this is placing on frontline staff.
In this clip she explains the important of supporting people to isolate, particularly key workers and those low incomes or in overcrowded housing.
