Testing for UV Damage (IMAGE) University of Washington Caption University of Washington researchers tested how well current water and wastewater disinfection methods damage a bacterial antibiotic resistance gene. Shown here is UW civil and environmental engineering doctoral student Huan He testing how well UV light damages a bacterial antibiotic resistance gene. Credit Mark Stone/University of Washington Usage Restrictions Available for reuse with appropriate credit. 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.