Hong Kong Omicron deaths expose limits of fraying zero-COVID policy

What caused the world’s worst spike in coronavirus fatalities?

 As countries around Asia ditch their zero-Covid strategies, Hong Kong is strictly adhering to the policy with little success. Oliver Barnes, John Burn-Murdoch, Primrose Riordan and Andy Lin examine the factors behind the nation’s deadly Omicron surge that has recently recorded the highest daily death toll in the world.