Learn the ABCs of CWD Our new video provides easy-to-understand information about chronic wasting disease or CWD, which a contagious disease that is always fatal to deer. Fortunately, this disease hasn’t been detected in Florida and we’re working hard to keep it that way. This 5-minute animated video explains what causes CWD, how it’s transmitted, why it’s one of the most serious wildlife diseases, and how the FWC, its partners and hunters are working to prevent it from spreading into this state