tomek.150
20.12.20, 20:22
We Have Seen"
The variant’s most remarkable feature is the number of mutations that have shaped it. Sir Patrick Vallance, the government’s chief scientific adviser, said 23 letters of the viral genetic code have changed, many of which are associated with the spike protein that the virus uses to get into human cells. Coronaviruses do not usually mutate so quickly, typically accumulating about two genetic changes per month.
"This new variant is very concerning, and is unlike anything we have seen so far in the pandemic," said Jeffrey Barrett, director of the Covid Genomics Initiative at the Wellcome Sanger Institute.
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