“To me, looking at live-animal markets and animal farming should be the focus going forward.”Nevertheless, exactly what happened at the Huanan market remains unknown. Several infected animals—with slightly different variations of SARS-CoV-2—might have then been sold at markets in Wuhan, sparking multiple infections in humans. The WHO report also concludes that it's highly unlikely that the coronavirus escaped from a lab at the Wuhan Institute of Virology. The Wuhan researchers also said that they hadn’t kept any live virus strains similar to SARS-CoV-2. “The only evidence that people have for a lab leak is that there is a lab in Wuhan,” he adds.