A “zero-covid” strategy has kept cases to a minimum in a handful of Asia-Pacific countries. How can they use vaccines to end their isolation? Professor Gabriel Leung of the University of Hong Kong says “zero-covid” countries have become victims of their own success, Charlie McCann explains South-East Asia’s worrying new wave, and Nell Whitehead reports from Australia. Alok Jha and Natasha Loder are joined by Edward Carr, The Economist’s deputy editor. For full access to The Economist’s 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   See acast.com/privacy for privacy and opt-out information.