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A transition toward normalcy is possible

Our scenario analysis suggests that the US, Canada, and many European countries would likely have reached herd immunity by now if they had faced only the ancestral SARS-CoV-2 virus and if a high percentage of those eligible to receive the vaccine had chosen to take it. As the more infectious Delta variant becomes more prevalent in a population, countries may have to increase COVID-19 vaccination rates to achieve herd immunity. Click through the interactive below to see what it will take for countries to get there.

Interactive
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To read the article, see “When will the COVID-19 pandemic end?,” August 23, 2021.