World no closer to answer on Covid origins despite WHO probe: Expert

Despite a high-profile visit to China by a team of international experts in January, the world is no closer to knowing the origins of Covid-19, according to one of the authors of an open letter calling for a new investigation into the pandemic. "At this point we are no further advanced than we were a year ago," said Nikolai Petrovsky, an expert in vaccines at Flinders University in Adelaide, Australia, and one of 26 global experts who signed the open letter, published on Thursday.
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