A year ago this week, the first reported case of Covid-19 was recorded in the UK. Within weeks frontline medics faced their toughest ever test. Doctors and nurses in intensive care units recorded diaries for a powerful and insightful episode of File on 4 which illustrated the true scale of the challenge they faced. So one year on, how do they think they coped? What have they learned about themselves and the National Health Service which many warn could be overwhelmed by the current second wave of Covid 19 which continues to claim tens of thousands of lives. Reporter Jane Deith revisits some of those doctors and nurses to find out how they themselves survived the biggest challenge of their careers. And she asks whether when they recorded their original diaries, did they envisage they’d be where they are now in battle against the pandemic?