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China's virus death toll revised up sharply after review
By Ken Moritsugu
U.S. Intelligence Sifts Evidence for Origins of Coronavirus
By Warren P. Strobel & Michael R. Gordon
Trump fans flames of Chinese lab coronavirus theory during daily briefing
By David Smith
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Opinion | State Department cables warned of safety issues at Wuhan lab studying bat coronaviruses
By Josh Rogin
Hunt for origin of coronavirus raises new US-China tensions
By Sun Yu, Katrina Manson & Clive Cookson
US explores possibility that coronavirus spread started in Chinese lab, not a market
By Kylie Atwood, Josh Campbell & Evan Perez