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Pfizer-BioNTech vaccine offers strong protection against key variants of concern, real-world data from Qatar shows

Source Washington Post

The Pfizer-BioNTech coronavirus vaccine provides strong protection against two concerning variants of the virus, including the one that has most worried scientists because it can evade parts of the immune response, according to new data from Qatar.

The study, published as a letter in the New England Journal of Medicine, found that the Pfizer-BioNTech vaccine was about 90 percent effective at blocking infections caused by the B.1.1.7 variant, a more transmissible version of the virus now fueling outbreaks around the world. That encouraging finding was not a surprise, but the study also found that efficacy eroded only slightly, to 75 percent, against the B.1.351 variant that was first detected in South Africa.

Read the full article at: Washington Post

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