AstraZeneca might have included outdated information from a clinical trial of the Covid-19 vaccine it has developed with Oxford university, a US federal health agency said on Tuesday, throwing previously published positive results into doubt.
美国一家联邦卫生机构周二表示,关于阿斯利康(AstraZeneca)与牛津大学(Oxford University)共同开发的新型冠状病毒肺炎(COVID-19,即2019冠状病毒病)疫苗,阿斯利康可能计入了一场临床试验的过时信息,这可能令阿斯利康此前公布的积极结果受到质疑。
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