Genetic Study Retraces Covid’s Origins in Bats

As China and the United States trade charges of a lab leak, researchers contend in a new paper that the Covid pandemic got its start, like a previous one, in the wildlife trade.

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C.I.A. Now Favors Lab Leak Theory to Explain Covid’s Origins

A new analysis that began under the Biden administration is released by the C.I.A.’s new director, John Ratcliffe, who wants the agency to get “off the sidelines” in the debate.

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