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‘Not Realistic’: Denmark, Iceland Say Vaccination Has Not Led to Herd Immunity

Sputnik News Before the emergence of more contagious coronavirus variants, estimates placed the threshold for herd immunity at between 60 to 70 percent of the population. Yet, the growing dominance of the Delta strain, which is also more adept at dodging vaccines, has challenged this calculation based on high vaccination rates. With the onslaught of the more contagious Delta strain, […]

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