Poison Dart Frog (IMAGE) Vanderbilt University Medical Center Caption Poison dart frogs like this one, photographed by Louise Rollins-Smith during a trip to Panama in 2010, are threatened by fungal infections that paralyze their immune response. Credit Louise Rollins-Smith/Vanderbilt University Usage Restrictions Please credit Louise Rollins-Smith/Vanderbilt University 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.