Examining blood smears (IMAGE) Washington University School of Medicine Caption Field research technicians (from left) Aaron Mamolu and Emanuel Gray, along with Lincoln Gankpala (right), a senior research technician and DOLF project coordinator of the National Public Health Institute of Liberia, examine blood smears for worm larvae in a remote village of Foya District, Liberia, in 2016. Researchers at Washington University School of Medicine in St. Louis have received a grant to develop better diagnostic tests for worm infections as part of an international effort in Liberia and elsewhere to eliminate two tropical infectious diseases: lymphatic filariasis and onchocerciasis. Credit Peter Fischer Usage Restrictions This image is to be used in accordance with the mission, policies and guidelines of Washington University in St. Louis. Visit https://wustl.edu/about/compliance-policies/media-policies/multimedia-use/ for more information. 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.