We can’t rule out risks with Covid-19 mRNA vaccines, top Chinese health official says

A top Chinese health official has voiced caution about new vaccine technology used in coronavirus shots authorised in the United States and Britain.George Gao Fu, director of the Chinese Centre for Disease Control and Prevention, said mRNA vaccines were being administered to healthy people for the first time and such a roll-out came with risks.“Western countries adopted the mRNA technology, which was developed for cancer patients,” state news agency Xinhua quoted Gao as saying on Tuesday. “I…

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