The US Food and Drug Administration has granted full approval to the BioNTech/Pfizer Covid-19 vaccine, in a step that could encourage reluctant people to get immunised.
美国食品药品监督管理局(FDA)已正式批准BioNTech/辉瑞(Pfizer)新冠疫苗,此举可能鼓励不愿接种疫苗的群体接种疫苗。
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