Hookworm (IMAGE) University of California - Riverside Caption Immunofluorescent image shows cross-section of hookworm (red) invading the small intestine (blue) leading to recruitment of macrophages (green). Credit Jay Patel, Nair lab, UC Riverside. 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.