SINGLE DOSE OF TWO-SHOT JABS BARELY WORK AGAINST DELTA VARIANT : STUDY

  • 08/07/2021

A new study has highlighted the importance of both shots of two-dose Pfizer-BioNTech and AstraZeneca (AZ) Covid-19 vaccines against the Delta variant. Researchers have found single shots of these vaccines “barely” offered any protection.In India, AZ shots are being given under the Covishield brand, manufactured by the Serum Institute of India.

“Sera from individuals having received one dose of Pfizer or AstraZeneca vaccine barely inhibited variant Delta,” a group of French researchers said in an article published in journal Nature on Thursday. “Administration of two doses generated a neutralising response in 95% of individuals.”The finding is “good news”, Olivier Schwartz, lead author of the study and head of the Virus and Immunity Unit at the Pasteur Institute in Paris, told The Washington Post.This new study offers more clarity on the efficacy of vaccines against the Delta variant, which has been found to be more contagious and deadlier than its previous versions and has caused maximum damage in India triggering the devastating second wave.

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