naturally emerged virus. >> anderson and other scientists worked around the clock searching for clues deep in the geno. >> the engineering aspect of this very quickly released we don't have the evidence to support that. >> even though they initially thought this novel virus had evidence of bio engineering, they subsequently found similar traits in other naturally occurring viruses. >> we debated and decided if you were a human trying to design a really dangerous coronavirus, you would not design this one. >> we didn't find any evidence of this virus previously having been sequenced or worked on. maybe there is fragments of the virus, which were used previously in experiments would be quote unquote a smoking gun and we didn't find anything at all. >> and by march 2020, anderson published the most influential paper in support of the natural