Geiss Du Pont Research Team (IMAGE) Colorado State University Caption Researchers described the results as "surprising," and said the findings have implications for future vaccine and antiviral drug development. Credit Joe Mendoza/CSU Photography 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.