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Herd Immunity what?



Hopes for herd immunity  “a promised land where the virus stopped spreading exponentially because enough people were protected against it” against Covid-19 globally fades with a resurgence of Covid-19  worldwide. The concept of herd Immunity now looking like a fantasy.

The hope in herd immunity was  that the pandemic would ebb and then mostly fade once a chunk of the population, possibly 60% to 70%, was vaccinated or had resistance through a previous infection. But new variants like delta, which are more transmissible and been shown to evade these protections in some cases, are moving the bar for herd immunity near impossibly high levels.


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