There is probably a lot of attention being given to this research by biologists in the US looking for a solution to the Asian Carp infestation of the Missouri River. If they decide to unleash the virus there it could wipe out carp fishing in the whole watershed. They want to keep Asian Carp from taking hold in the Great Lakes so if they use it in the Missouri River it could potentially kill every carp in connected waterways, including the St Lawrence. That's a lot of carp. The Great Lakes hold over %20 of the world's fresh water and I'd worry about any virus going in, versus danger from the Asian Carp (which also could potentially render a body of water sterile).