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Delta variant challenges China's costly lockdown strategy
By Huizhong Wu & Joe Mcdonald
Republican report says coronavirus leaked from China lab; scientists still probing origins
By Lisa Shumaker, Mark Hosenball & Jonathan Landay
China's Wuhan to test 'all residents' amid return of Covid-19
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China Covid: China targets school students to control case surge
By Suranjana Tewari
China doubles down on baseless 'US origins' Covid conspiracy as Delta outbreak worsens
By Steve George
China reports most new COVID-19 cases since January amid Delta surge
By Roxanne Liu & Ryan Woo