Chronic Wasting Disease affects members of the Cervid family such as deer, elk and moose. It is an always fatal, infectious disease caused by a protein called a prion. It is spread by nose-to-nose contact between animals and through urine, feces, blood and saliva. CWD has never been detected in Oregon even through ODFW has tested more than 24,000 deer and elk for the disease over the last 20 years. But CWD has now been detected in Idaho near the Oregon border, and that's a game changer. ODFW's Chief Veterinarian, Colin Gillin walks us through the history of the disease and where stand in the fight against CWD.