T Cells Team Up Against Leishmania (IMAGE) Rockefeller University Press Caption Glennie et al. show that memory CD4+ T cells (green) in the skin reduce the number of parasites after secondary Leishmania infection by recruiting parasite-fighting memory CD4+ T cells (red) circulating in the blood. Credit The Rockefeller University Press Usage Restrictions Reporters may freely use these materials in news coverage, with the appropriate credit 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.