The evolution of SARS-CoV-2
The evolution of SARS-CoV-2 has stunned virologists & evolutionary biologists all over the world. It has even surpassed the hyper-mutability of influenza’s H3N2 strain too!
In a new preprint, the evolution of the SARS2 Spike between Dec’23 & Feb’23 is analyzed...
ORIGINAL PAPER
Phylogeny and evolution of the SARS-CoV-2 spike gene from December 2022 to February 2023
https://www.biorxiv.org/content/10.1101/2023.07.23.549423v1
https://www.facebook.com/groups/1632045180447285/permalink/3528635417454909/
Rather than having evolved in an immunocompromised person in South Africa as suspected, Omicron seems to have evolved in steps while circulating in West Africa during summer 2021 before exploding across the south that autumn.
https://www.science.org/doi/10.1126/science.add8737
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