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China speeds up COVID-19 vaccine R&D to fight variants: expert 1 2021-04-25 13:56:53 Ecns.cn Editor : Liu Yimeng ECNS App Download File photo of Zhong Nanshan. (Photo:China News Service/Wang Jianeng) (ECNS) -- China is speeding up research and development on vaccines to counter COVID-19 variants, said Chinese medical expert Zhong Nanshan at 2021 Medical Science Frontiers Forum held in Guangzhou on Saturday. Mutation of the novel coronavirus is the primary problem in the precise prevention of COVID-19, Zhong said. At present, the mutated strains mainly came from the UK, Brazil, Nigeria, and South Africa. It seems the inactivated vaccine produced...
