Proliferative Kidney Disease at Work (IMAGE) Proceedings of the National Academy of Sciences Caption Proliferative kidney disease at work, caused by the myxozoan parasite T. Bryosalmonae. Credit Image courtesy of Hanna Hartikainen. 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.