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Welcome! This is a tool to compare the spread of Chronic Wasting Disease in six midwestern states over time. Chronic Wasting Disease is an always fatal and contagious neurological disease that affects deer, elk, and moose. It was first observed in the 1960s and has since spread to 27 U.S. states and two Canadian provinces. However, it has not spread evenly.

With this tool, explore the geographical differences in CWD cases in five midwestern states, adjust the year to see how and where the disease has spread, and overlay hunting data to look for patterns.

To get started, select a year and overlay from the dropdown menus. After exploring changes in CWD cases and other hunting data over time, learn more about each state is managing CWD on the "Resources" tab, read about the project on the "About" tab, and visit the "Help" tab for technial support.