Rossmann Immature (IMAGE) Purdue University Caption Purdue researchers have determined the high-resolution structure of the immature Zika virus. This composite image of the surface (left), and cross-sectional region (right), reflect the new findings. Research into a virus's structure provides insights important to the development of effective antiviral treatments and vaccines. Credit (Purdue University image courtesy of Kuhn and Rossmann research groups) 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.