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Why scientists have become more vocal about 'lab leak' theory lately

If the two most vocal poles of the argument are natural spillover vs. laboratory leak, these new voices have added a third point of view: a resounding undecided

Wuhan, China, coronavirus
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Security personnel keep watch outside Wuhan Institute of Virology (Photo: Reuters)

Carl Zimmer, James Gorman and Benjamin Mueller | NYT
On the heels of President Biden’s abrupt order to US intelligence agencies to investigate the origins of the coronavirus, many scientists reacted positively, reflecting their push in recent weeks for more information about the work of a virus lab in Wuhan, China. But they cautioned against expecting an answer in the three-month time frame of the president’s request.

After long steering clear of the debate, some influential scientists have lately become more open to expressing uncertainties about the origins of the virus. If the two most vocal poles of the argument are natural spillover vs. laboratory leak, these new voices have