A scientist at the forefront of an international effort to track the deadly coronavirus outbreak has shot down claims about the disease’s origins, including that it escaped from a Wuhan laboratory after being genetically engineered.
處于追蹤致死的新型冠狀病毒(COVID-19)疫情國際隊伍一線的一名科學(xué)家駁斥了有關(guān)這種病毒起源的種種說法,包括該病毒是在經(jīng)過基因工程改造后從武漢的一個實驗室外泄出來的說法。
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