Deer (IMAGE) Penn State Caption Over the last decade or so, David Walter's research group in the College of Agricultural Sciences has been studying how the movement, behavior and genetics of wild deer are affecting the spread of chronic wasting disease. Credit Joe Kosack, Pennsylvania Game Commission Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.