Will vaccinations kick-start travel?
VACCINATIONS HAVE helped ease national lockdowns, but restrictions on international travel remain severe. Willie Walsh of the International Air Transport Association tells us airlines are a soft target for government restrictions. Aerosol physicist Lidia Morawska assesses how risky it is to travel by plane. The Economists Miki Kobayashi reports on Julys Tokyo Olympics. Alok Jha and Slavea Chankova are joined by Edward Carr, The Economists deputy editor. Runtime: 38 min  Listen on: Apple Podcasts | Spotify | Google | Stitcher | TuneIn  For full access to The Economists print, digital and audio editions subscribe at economist.com/thejabpod. Sign up for our new weekly science and data newsletters at economist.com/simplyscience and economist.com/offthecharts.