That's a very hard to answer question. The risk is obvious, and e.g. a pandemic strain which followed the Ford swine flu mess is thought to have originated fro

That's a very hard to answer question. The risk is obvious, and e.g. a pandemic strain which followed the Ford swine flu mess is thought to have originated from a Soviet bioweapons lab. But there's great risk in our not understanding just what the bleep made the 1918 flu pandemic so lethal for such unusual age groups. Either could result in 10s of millions needlessly dying.