The latest study, which was posted online but is yet to be peer reviewed, was conducted on a synthetic virus with 10 mutations that a characteristic of the variant known as B 117 identified in Britain.
最新的研究在網上發佈,但尚未經過同行評議,該研究是在一種合成病毒上進行的,該病毒有10個突變,這是英國發現的被稱為B 117的變異體的特徵。