When will we get a Covid-19 vaccine?
b'People everywhere are clinging to the hope that there\'ll soon be a coronavirus vaccine. That aspiration suffered a setback last week when AstraZeneca announced the suspension of its trial of the Covid-19 vaccine it\'s developing. So how are decisions to start and stop clinical trials made, and what\'s the present trajectory for a coronavirus vaccine? Chris Smith asked Gordon Dougan, who\'s overseen the development of many vaccines during his career, to explain... Like this podcast? Please help us by supporting the Naked Scientists'