Dr. Zhicheng Dou, Clemson University (IMAGE) Clemson University Caption Clemson University research scientist Dr. Zhicheng Dou is studying a microscopic parasite that can cause blindness, birth defects and other severe health consequences. Credit Jim Melvin / Clemson 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.