Tsetse Fly (IMAGE) Oregon State University Caption A new study outlines the potential for success in changing the bacteria in the guts of tsetse flies and eliminating the disease of sleeping sickness. Credit Photo courtesy of Oregon State University 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.