Ousmane Koita, Colorado State University (IMAGE) Colorado State University Caption Ousmane Koita, a pharmacist specializing in medical biology at the University of Bamako in Mali, was one of the study site principal investigators. Credit Photo courtesy of Elizabeth Ryan, CSU 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.