Sleeping Sickness Parasites (IMAGE) Rockefeller University Caption This is a microscopy image of Trypanosoma brucei, the African sleeping sickness parasite. Credit Danae Schulz/Laboratory of Lymphocyte Biology/Rockefeller University Usage Restrictions Image may only be used to illustrate research described in the accompanying story. 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.