Tom Jefferson, the senior fellow at the Center for Evidence-Based Medicine at Oxford University, said the origin of the novel coronavirus is still unknown. Being identified as a new disease in Wuhan, and originating from Wuhan are two different things, and there may not necessarily be a causality. The virus may have come from anywhere. And the Barcelona findings would suggest that the virus had been around in the world much longer than we thought. He also called for an investigation into outbreaks in meatpacking and food plants to study the transmission route of the virus.
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