A new Covid-19 drug and a second wave

Available for over a year

The steroid Dexamethasone has been hailed a “major breakthrough” in the treatment of Covid-19. But what does the data say? Plus, why haven’t mass protests led to a second wave? Presenter: Tim Harford Producers: Ruth Alexander and Kate Lamble (close-up of a bottle and tablets of Dexamethasone June 16, 2020 London UK / Credit:John Phillips/Getty Images)