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China’s Coronavirus Vaccines Are Leaping Ahead – But Face Challenges As Virus Wanes-Nature

Chinese companies are at the forefront of global efforts to create a vaccine for the coronavirus, with more than half a dozen candidates in clinical development. Last week, Tianjin-based CanSino Biologics published results from an early-stage clinical trial showing that its vaccine is safe and can trigger an immune response. Yet the companies could face difficulty as they try to push vaccines through phase III trials, a crucial stage of testing that is needed to prove efficacy and secure approval from regulators. Nature, 07/31/2020

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