AstraZeneca, Pfizer vaccines effective against Delta Covid-19 variant, finds study

AstraZeneca and the Pfizer-BioNTech vaccines still remain effective against Delta and Kappa variants of the Covid-19, which were first identified in India, a scientific study has found.

Covid-19 vaccines made by AstraZeneca and the Pfizer-BioNTech alliance remain broadly effective against Delta and Kappa variants of the Covid-19 causing virus, which were first identified in India, according to a scientific study, underpinning a continued push to deliver the shots. The study by Oxford University researchers, published in the journal Cell, investigated the ability of antibodies in the blood of people, who were vaccinated with the two-shot regimens, to neutralize the highly contagious Delta and Kappa variants, a statement said.