Cesar Franco is the first person in the UK to undergo a double lung transplant as a result of a Covid-19 infection. He spent five months in St Thomas' hospital on the NHS's highest level of live support, with an Ecmo machine effectively breathing for him. When doctors told him his only chance of survival was to have a transplant, he was transferred to Harefield hospital for the operation. Now, after several months of an arduous recovery programme, he is able to breathe normally and walk again