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China's virus death toll revised up sharply after review
By Ken Moritsugu
US military chief: 'Weight of evidence' that Covid-19 did not originate in a lab
By Julian Borger
U.S. Intelligence Sifts Evidence for Origins of Coronavirus
By Warren P. Strobel & Michael R. Gordon
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Did the Coronavirus Escape from a Chinese Lab? Here's What the Pentagon Says
By Katie Bo Williams
U.S. intelligence community still investigating origins of COVID-19 outbreak, including whether it was a lab accident
By Olivia Gazis
US explores possibility that coronavirus spread started in Chinese lab, not a market
By Kylie Atwood, Josh Campbell & Evan Perez
Did coronavirus come from a Chinese lab?
By Fabian Schmidt