Dr Teresa Lambe from the Jenner Institute at Oxford University, one of the researchers behind the British Covid-19 vaccine trials, joins us on this week's episode.She talks to presenter Sinéad O'Carroll about how the UK trial in particular is going, and gives us an insight into this week's good news that this vaccine was found to be safe and induce an immune reaction in the early stages of the trial. Features a clip from Lancet Voice.