Is reaching zero COVID-19 possible?

COVID-19 vaccine herd immunity safety

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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COVID-19 population herd immunity
Actively pursuing herd immunity through natural infection would mean relaxing restrictions Image: EPA-EFE
COVID-19 Future of Health and Healthcare Healthcare Delivery Healthy Futures
The herd immunity threshold for COVID-19 is around 60-70%. Image: Immunity
Vaccines disease virus COVID-19 polio
Polio was only eradicated in Africa this year – 60 years after vaccines became available. Image: A Mukeba/USAID
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