Deadly Fish Virus Now in All the Great Lakes
Researchers say the deadly fish virus, VHS, has been found in Lake Superior for the first time. That means it's spread to all the Great Lakes. VHS has been identified in 28 freshwater fish species within the Great Lakes Watershed since 2005. The disease caused large fish kills in lakes Ontario, Erie and Huron. However, officials in Michigan and Wisconsin say there is no evidence of a widespread outbreak in Lake Superior.