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Defects in Hong Kong batch of BioNTech coronavirus vaccine may be down to sealing process, says health chief, who assures public there were no safety risks

Problems in the sealing process of the Pfizer-BioNTech vaccine vial caps may have caused the defects in existing batches of the German-made jabs delivered to Hong Kong, the city’s health director has revealed.The remaining vials would be kept in ultra-cold storage until the manufacturer completed its full investigation, Director of Health Dr Constance Chan Hon-yee said at a press conference on Thursday, and assured the public no safety risks had been uncovered. Chan said the cause of the…

Read the original article at South China Morning Post

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