Skin Nodule (image) Drugs for Neglected Diseases Initiative Share Print E-Mail Caption The doctor points to skin nodule containing many adult filarial worms on a patient with onchocerciasis. Credit DNDi Usage Restrictions In link with filarial diseases and need for more research and development for neglected diseases. Share Print E-Mail 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.