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.
南非已決定暫停牛津/阿斯利康(Oxford/AstraZeneca)新型冠狀病毒肺炎（COVID-19，即2019冠狀病毒?。┮呙缃臃N計劃。此前，有初步和有限的證據(jù)顯示，這款疫苗未能預防最早在該國發(fā)現(xiàn)的新冠病毒變體引發(fā)的輕中癥。
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