TL;DR: They tested the genome of all the bat viruses that were in the Wuhan labs in 2021 and found that none are related to the Covid-19 one. Meaning that we have one more proof that Covid-19 did not "escape from a lab".
(I assume the link is paywalled but can't check now)
nature.com/articles/d41586-024…
Wuhan lab samples hold no close relatives to virus behind COVID
Shi Zhengli, the virologist at centre of COVID lab-leak theory, reveals coronavirus sequences from Wuhan institute.Mallapaty, Smriti
Nanook
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