WASHINGTON: A new study suggests that the Pfizer-BioNtech Covid-19 vaccine can protect people against the concerning coronavirus variant first identified in Brazil.
According to CNN, blood serum samples from people who had received two doses of the Pfizer-BioNtech vaccine “efficiently” neutralized a version of the virus engineered to carry the same mutations as the variant, known as the P.1.
For the study, published by the New England Journal of Medicine on Monday, researchers at Pfizer, BioNTech and the University of Texas Medical Branch genetically engineered the virus to create versions carrying mutations found in a range of coronavirus variants, including P.1
They tested them against blood samples taken from 15 people two or 4 weeks after they had received a second dose of the Pfizer-BioNTech vaccine as part of a clinical trial. The team found that the blood samples were able to neutralize the Brazil variant “roughly” as well as it could neutralize an earlier strain of the virus from January 2020.
CNN reported that the P.1 variant is suspected of fueling a resurgence of coronavirus cases in Brazil. It was found in 42 per cent of samples in one survey carried out in Manaus and cases have since emerged in countries including the US, the UK and Japan.
The P.1 variant has mutations in common with the variant first identified in South Africa that are thought to make it “more contagious” and possibly able to evade immunity from vaccines — though this new study suggests the Pfizer-BioNTech vaccine may still be effective. (ANI)
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