03-06-2021, 07:14 PM
https://www.yahoo.com/news/oregon-scient...05340.html
Scientists in Oregon have spotted a homegrown version of a fast-spreading variant of the coronavirus that first surfaced in Britain — but now it's combined with a mutation that may make the variant less susceptible to vaccines.
The variant originally identified in Britain, called B.1.1.7, has been spreading rapidly across the United States, and accounts for at least 2,500 cases in 46 states. This form of the virus is both more contagious and more deadly than the original version, and it is expected to account for most U.S. infections in a few weeks.
The new version that surfaced in Oregon has the same backbone, but also a mutation — E484K, or “Eek” — seen in variants of the virus circulating in South Africa, Brazil and New York City.
Lab studies and clinical trials in South Africa indicate that the Eek mutation renders the current vaccines less effective by blunting the body’s immune response. (The vaccines still work, but the findings are worrying enough that Pfizer-BioNTech and Moderna have begun testing new versions of their vaccines designed to defeat the variant found in South Africa.)
Scientists in Oregon have spotted a homegrown version of a fast-spreading variant of the coronavirus that first surfaced in Britain — but now it's combined with a mutation that may make the variant less susceptible to vaccines.
The variant originally identified in Britain, called B.1.1.7, has been spreading rapidly across the United States, and accounts for at least 2,500 cases in 46 states. This form of the virus is both more contagious and more deadly than the original version, and it is expected to account for most U.S. infections in a few weeks.
The new version that surfaced in Oregon has the same backbone, but also a mutation — E484K, or “Eek” — seen in variants of the virus circulating in South Africa, Brazil and New York City.
Lab studies and clinical trials in South Africa indicate that the Eek mutation renders the current vaccines less effective by blunting the body’s immune response. (The vaccines still work, but the findings are worrying enough that Pfizer-BioNTech and Moderna have begun testing new versions of their vaccines designed to defeat the variant found in South Africa.)
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