West Nile Virus (IMAGE) Hokkaido University Caption Electromicroscopic image of West Nile virus colored in yellow. Credit Cynthia Goldsmith, P.E. Rollin, USCDCP Usage Restrictions This image is in the public domain. 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.