South Africa has moved to halt its rollout of the Oxford/AstraZeneca vaccine after preliminary and limited evidence showed it failed to protect against mild and moderate forms of disease caused by a coronavirus variant first detected in the country.
南非已决定暂停牛津/阿斯利康(Oxford/AstraZeneca)新型冠状病毒肺炎(COVID-19,即2019冠状病毒病)疫苗接种计划。此前,有初步和有限的证据显示,这款疫苗未能预防最早在该国发现的新冠病毒变体引发的轻中症。
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