Ellen has studied and investigated the effects of pathogen infections on social groups within wolf and elk populations in Yellowstone National Park. Her research is focused in canine distemper virus, sarcoptic mange, and chronic wasting disease. She has also been involved in research that informs wolf management, such as disease risk analyses for endangered species act petitions and wolf re-introductions. Ellen spoke about the effects of these diseases & pathogens in wolf packs and how they can impact multiple facets of their life. Ellen Brandell@eeeeeeb8Wolf Connection