'Supermap' of Avian Flu 1 (of 3) (IMAGE) Ohio State University Caption New software maps the mutations of the avian flu virus over the last decade. In this still image, colored lines show how different strains of the virus have spread across the earth. Credit Image courtesy of Ohio State University Usage Restrictions Use by news media only 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.