this post was submitted on 20 Oct 2023
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Unnatural evolutionary processes of SARS-CoV-2 variants and possibility of deliberate natural selection (zenodo.org)
submitted 2 years ago by fluid_neutral@lemmy.today to c/science@lemmy.world
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As a result, we concluded that the formation of a part of Omicron isolates BA.1, BA.1.1, and BA.2 was not the product of genome evolution, as is commonly observed in nature, such as the accumulation of mutations and homologous recombinations. Furthermore, the study of 35 recombinant isolates of Omicron variants BA.1 and BA.2 confirmed that Omicron variants were already present in 2020. The analysis showed that Omicron variants were formed by an entirely new mechanism that cannot be explained by previous biology, and knowing how the SARS-CoV-2 variants were formed prompts a reconsideration of the SARS-CoV-2 pandemic

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[–] GuyDudeman@lemmy.world 5 points 2 years ago (1 children)

I’ve always maintained that it was a lab-developed virus that accidentally infected a lab worker and then got out in the wild. Now it looks like it may have been a couple of different lab-developed viruses?

But opinions have gone back and forth so much on that theory.

[–] random_character_a@lemmy.world 3 points 2 years ago (1 children)

Well, less dangerous,more aggressively spreading omicron did replace previous more dangerous variants. Deliberate?

[–] GuyDudeman@lemmy.world 1 points 2 years ago

Possibly. Good on China for doing that, if that’s what they did.