Western officials, researchers cast doubt on China lab virus leak theory
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Vincent Racaniello, a professor of microbiology and immunology at Columbia University, said that there was no way this could escape a lab and if this escaped a Wuhan lab, [the researchers] would have all gotten sick.
Racaniello said the two claims — that the virus could be human-made and that it could have escaped from a laboratory — had no scientific backing. "No human could ever design this virus."
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