Crystallized chikungunya virus (IMAGE) Washington University School of Medicine Caption Shown are chikungunya virus particles crystallized into a neat grid. A new study has found the molecular 'handle' the virus uses to enter cells and cause arthritis. Blocking the virus from latching on to the handle could prevent or treat disease. Credit CDC/CYNTHIA GOLDSMITH 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.