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https://www.theage.com.au/national/covid-19-lab-leak-theory-ends-with-a-whimper-not-a-bang-20230627-p5djqb.html

"The combined powers of the world’s most expansive intelligence apparatus could turn up no evidence the Wuhan Institute of Virology (WIV) had SARS-CoV-2, nor its progenitor, nor a backbone on which it could have been engineered, before the pandemic broke out. Nor could they find any evidence of a biosafety incident."

So the explanation that was always most likely--an animal virus naturally evolved to infect humans--continues to be the most likely.