The Oxford/AstraZeneca Covid-19 vaccine does not appear to offer protection against mild and moderate disease caused by the viral variant first identified in South Africa, according to a study due to be published on Monday.
根據將於週一公佈的一項研究，牛津/阿斯特捷利康(Oxford/AstraZeneca)新型冠狀病毒疫苗對最早在南非發現的變異病毒引發的輕中症似乎不具保護效力。
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