According to a new study unveiled on Tuesday, the Pfizer-BioNotech Kovid-19 vaccine appears to be very effective against the more infectious version of the virus first discovered in Brazil.
Neutralization of the Brazilian version known as P.1 was “approximately equal” to the original strain of the virus against which the Pfizer vaccine was found to be 95% effective, the study published in the “New England Journal of Medicine” states ” In the United States.
The P.1 variant has spread rapidly to Brazil in early January, with Kovid-19 already affecting people. According to the US Center for Disease Control and Prevention (CDC), only 15 cases of Brazilian stress have been identified in nine states.
A study by scientists and researchers from both companies of the medical branch of the University of Texas, also found a strong representation of type B1.1.7, which was first identified in the UK.
Regarding the first identified variant B.1.351 in South Africa, the study showed that the neutralization of this variant was “strong but weak”.
In response to this study, Carl Bergstrom, a professor of biology at the University of Washington, said in a tweet, “We are seeing strong neutral activity against all strains, including p.1, which is spreading so quickly in Brazil.”
“Although activity has decreased against the B.1.351 strain from South Africa, it is still very influential,” he explains.
The study authors cautioned, however, that their results are based on laboratory analysis and are not yet valid with real-world data.
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