If vaccine passports are introduced to control the movement of Kiwis within their own country, then the pressure for such passports will come from business and their paid-for thinktanks. It won’t be the government that introduces them directly. Remember the maths when/if that happens.

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Nathan Smith is a former business journalist and columnist at the NBR. He also worked as the chief editor at the New Zealand Initiative policy think tank. He is now a freelance writer and copy editor.