2021年CRI 世卫组织:实验室病毒泄漏引发疫情的假说是极不可能的（在线收听）

WHO: Lab leak coronavirus theory “extremely unlikely”

The WHO-led mission tracing the origin of coronavirus in Wuhan said a laboratory leak is highly unlikely. Their trip in China has shown that the transmission of the virus to humans was most likely through an intermediary species.