CNNのインスタグラム(cnn) - 2月19日 00時02分

A new report published in the New England Journal of Medicine on Wednesday suggests that Pfizer-BioNTech's Covid-19 vaccine can protect people against concerning new coronavirus variants, including one first seen in South Africa called B.1.351. Researchers at Pfizer and the University of Texas Medical Branch genetically engineered versions of the virus to carry some of the mutations found in B.1.351 and tested them against blood samples taken from 15 people who had received two doses of the Pfizer/BioNTech vaccine. While the blood serum samples produced less neutralizing antibody activity, it was still enough to neutralize the virus, they wrote in a letter to the journal. Separately, a team at the National Institutes of Health and Moderna published a letter in the same journal reporting a reduction in the antibody response to viruses genetically engineered to look like the B.1.351 variant -- but not enough of a reduction to make the vaccine work any less effectively. Tap the link in our bio to learn more.⁠
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(📸: Christof Stache/AFP/Getty Images)

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