The statement, to which I have added bold highlighting, is not accurate.   They found viral RNA.  There was no report of finding "live virus."   https://coronavirus.medium.com/traces-of-coronavirus-can-last-17-days-e9556a62d4e7   Epidemiologist Tara C. Smith made a critical distinction on Twitter: “Viral RNA doesn’t necessarily mean live virus was present.” The term “live virus” refers to a virus particle that is capable of replicating. This isn’t always the case: “