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.
處於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家駁斥了有關這種病毒起源的種種說法,包括該病毒是在經過基因工程改造後從武漢的一個實驗室外泄出來的說法。
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