LONDON, United Kingdom — A brand new pre-print research launched on-line lately has supplied sturdy evidence to assist the “natural spillover” speculation on COVID-19, with outcomes which can be laborious to reconcile with the “lab leak” speculation.
SARS-CoV-2, the virus that causes COVID-19, might have spilled from animals to individuals multiple times, in accordance to the preliminary evaluation of viral genomes sampled from individuals contaminated early within the pandemic.
The newest evaluation, posted on the virological.org dialogue discussion board, is predicated on an in depth examination of the genetic sequences of two early lineages, generally known as A and B, which have key genetic variations, obtained from individuals contaminated in late 2019 and early 2020.
“It is a very significant study … If you can show that A and B are two separate lineages and there were two spillovers, it all but eliminates the idea that it came from a lab,” a Nature information article quoted Robert Garry, a virologist at Tulane University in New Orleans, Louisiana, as saying.
If confirmed by additional analyses, the findings would make the “lab leak” speculation much less possible, researchers have stated.
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