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'Scientific proof does not support covid booster shots for general population'

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NEW DELHI : Vaccine efficacy against severe covid-19, even for the delta variant, is so high that booster doses for the general population are not appropriate at this stage in the pandemic, a review published in The Lancet has concluded.

The review summarizes the currently available evidence from randomized controlled trials and observational studies published in peer-reviewed journals and pre-print servers.

Averaging the results reported from the observational studies, vaccination had 95% efficacy against severe disease both from the delta variant and from the alpha variant, and over 80% efficacy at protecting against any infection from these variants, noted the review.

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