'Hotbed' for Harmful Bacteria (IMAGE) Florida Atlantic University Caption Researchers found rubber and plastic wristbands had higher bacterial counts than metal ones. Credit Alex Dolce, Florida Atlantic University Usage Restrictions Credit: Alex Dolce, Florida Atlantic University License Original 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.