Is reaching zero COVID-19 possible?

New Zealand lost its zero COVID-19 run after 100 days. Image: Unsplash/Logan Weaver

Kingston Mills

Professor of Experimental Immunology, Trinity College Dublin


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Actively pursuing herd immunity through natural infection would mean relaxing restrictions Image: EPA-EFE
The herd immunity threshold for COVID-19 is around 60-70%. Image: Immunity
Polio was only eradicated in Africa this year – 60 years after vaccines became available. Image: A Mukeba/USAID

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