Oxford university has called a pause to a small clinical trial in children of the Covid-19 vaccine developed with AstraZeneca, ahead of new risk assessments this week by regulators investigating possible links between the jab and rare but potentially fatal blood disorders in adults.
牛津大学(Oxford University)已叫停其与阿斯利康(AstraZeneca)合作开发的新型冠状病毒肺炎（COVID-19，即2019冠状病毒病）疫苗的一场针对儿童的小型临床试验。本周晚些时候，监管机构将进行新的风险评估，调查该疫苗与成人罕见但可能致命的血液疾病之间可能存在的联系。
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