Is "herd immunity" still a realistic goal to end the covid pandemic?

Herd immunity: "Herd immunity occurs when a large portion of a community (the herd) becomes immune to a disease, making the spread of disease from person to person unlikely. As a result, the whole community becomes protected — not just those who are immune." https://www.mayoclinic.org/diseases-conditions/coronavirus/in-depth/herd-immunity-and-coronavirus/art-20486808
Yes, it is.
No, it is not.
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Is "herd immunity" still a realistic goal to end the covid pandemic?
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