| Impact ID | 8597 |
| Impact Type | Disease/Parasite/Toxicity |
| Study Type | Anecdotal |
| Study Location | N/A |
| Impact Description | Viral Hemorrhagic Septicemia (VHS) is believed to have caused large die-offs of freshwater drum (Aplodinotus grunniens) in eastern Lake Ontario and muskellunge (Esox masquinongy) in Lake St. Clair in 2005. |
| Reference | 16266 |
| Cost | |
| Location | Great Lakes, USA |