The BA.2.86 variant has been sequenced in four countries and has multiple mutations to its spike proteins.
, BA.2.86 has more than 30 amino acid changes in its spike protein, compared with its next closest ancestor .
“We have not seen a new variant [in humans] with this many new spike mutations happening all at once since the emergence of the original Omicron,”. “Based on the sequence, I think we can be very confident this [variant] is going to be relatively good at evading the antibodies that most people have from prior infections and vaccinations.
So far, only six sequences BA.2.86 have been reported in the United States, United Kingdom, Israel, and Denmark, but epidemiologists are concerned that it is circulating in more places since monitoring COVID-19 variants has dropped. “It is unusual for corona to change so significantly and develop 30 new mutations. The last time we saw such a big change was when Omicron appeared,” Morten Rasmussen, a senior researcher at the Statens Serum Institut in Denmark,
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