China's latest Covid cover-up: Beijing says it will test thousands of blood samples in hunt for virus's origins but foreign scientists will be banned from observing and will only be sent results after the probe

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China is preparing to test thousands of blood samples from Wuhan taken in the early months of the pandemic - away from the eyes of outside... China is preparing to test thousands of blood samples from Wuhan taken in the early months of the pandemic - away from the eyes of outside observers in what many fear will become Beijing's latest Covid cover-up. Chinese officials say preparations are underway to test 200,000 blood donations taken in Wuhan - ground zero of the pandemic - in the two months before the first official case was reported to check for traces of...