'Zombie' deer disease: What is it, and could it affect humans?

CWD was first observed in the 1960s at a research facility in Colorado. It has now been confirmed in 24 states and two Canadian provinces as of January, said the Centers for Disease Control and Prevention.CWD was first observed in the 1960s at a research facility in Colorado. It has now been confirmed in 24 states and two Canadian provinces as of January, said the Centers for Disease Control and Prevention.