papers, says the DOE's"low confident" conclusion doesn't"negate the affirmative evidence for zoonotic [or animal] origin nor do they add any new information in support of lab origin."
When the studies were first published online, NPR spoke to Worobey, who's at the University of Arizona, to understand what the data tells us about the origin of SARS-CoV-2; how, he believes, the data may shift the debate about the lab-leak theory; and the significance of photos taken five years before the pandemic. Here are key points from the conversation, which has been edited for clarity and length.
So now we know that when the national public health authorities shut down the market and then sampled the surfaces there, one of the surfaces positive for SARS-CoV-2 was a metal cage in a back room., had been taken to the Huanan market several years before the pandemic and shown raccoon dogs in one of the stalls. He was told,"This is the kind of place that has the ingredients for cross-species transmission of dangerous pathogens.
And yet, from the clinical observations in Wuhan, around half of the earliest known COVID cases were people directly linked to the seafood market. And the other cases, which aren't linked through epidemiological data, have an even closer geographical association to the market. That's what we show in our paper.
You have to remember: Wuhan is a city of 11 million people. And the Huanan market is only 1 of 4 places in Wuhan that sold live animals susceptible to SARS-CoV-2, such as raccoon dogs.
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