What's the impact of the Shanghai lockdown?

What will the social and economic costs be of China's full-scale lockdown of Shanghai? David Aaronovitch examines the problems with the country's vaccination programme. Joining David in the briefing room are:Robin Brant, BBC Correspondent based in Shanghai Vincent Ni, China Affairs correspondent for The Guardian Professor Nancy Qian, Northwestern University Dr Yu Jie, senior research fellow on China in the Asia-Pacific Programme at Chatham House George Magnus, economist and research associate at Oxford University’s China Centre.Producers: Rosamund Jones, Kirsteen Knight and Ben Carter Production Co-ordinator: Siobhan Reed Studio Manager: Neil Churchill Editor: Richard Vadon