Scientists still aren't sure how COVID-19, the worst health emergency in a century, began.
An expert group charged by the World Health Organization to investigate how the COVID-19 pandemic started released its findings on Friday, reaching an unsatisfying conclusion.
Scientists still aren't sure how the worst health emergency in a century began.
At a press briefing Friday, the group's chair said most scientific data supports the hypothesis that the new coronavirus jumped to humans from animals.
That was also the conclusion drawn from the first WHO expert group that investigated the pandemic's origin in 2021 when scientists concluded the virus likely spread from bats to humans by another intermediary animal.
At the time, WHO said a lab leak was "extremely unlikely".
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