With hundreds of dead fish washing up along the shorelines of Lake Ontario and the St. Lawrence River in recent weeks, scientist suspect that a deadly virus is spreading. In June, officials confirmed that hemorrhagic septicemia was behind the unexpected deaths of round gobies and muskellunge. Now, preliminary indications are that it has spread to smallmouth bass and burbot. There is no cure for the virus, but on the brighter side, fisheries managers say that overall fish mortality rates do not appear to be changing, so far.,2933,204714,00.html