A year ago, when the World Health Organization published a report showing that China had shut down a highly contagious virus in a city of 11 million people, epidemiologist Michael Baker assumed that the international body would advise the rest of the world to follow China’s example. When to his amazement it didn’t, he decided that New Zealand (population 5 million) should go its own way, and started lobbying the government to pursue an elimination strategy…

This article first appeared in The Guardian on 3 March 2021. To continue reading, click here.