Juvenile marsh rice rat (IMAGE) Ecological Society of America Caption A tagged, juvenile marsh rice rat (Oryzomys palustris) captured from an area in Barataria Bay, Louisiana that was heavily oiled during the 2010 Deepwater Horizon spill. Marsh rice rats are the reservoir host of a pathogenic hantavirus (Bayou orthohantavirus) that causes Hantavirus Cardiopulmonary Syndrome in humans. [photo taken in 2017] Credit Allison Snider Usage Restrictions Credit the Ecological Society of America and Allison Snider 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.