Initial evidence that the Oxford/AstraZeneca vaccine offered only “minimal” protection against mild to moderate cases of the Covid-19 variant first identified in South Africa has focused global attention on the threat posed by mutations.
初步證據顯示,牛津和阿斯利康(Oxford/AstraZeneca)合作研發的疫苗,對在南非首次發現的新型冠狀病毒(SARS-CoV-2)新變種所導致的輕型和普通型病例,僅能提供“微乎其微”的保護,這促使全球關注起新冠病毒變種構成的威脅。
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