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COVID-19 Herd Immunity: Is it Possible and Are We Close?

The number one goal of countries all over the world is to achieve herd immunity, which is when the majority of people develop natural or acquired immunity to the virus, hence losing its ability to spread. But looking at today’s rise of COVID-19 cases, the continuous mutation of new variants, and the number of people getting vaccinated, how close are we to the ultimate goal of herd immunity? 

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