Listeria Infection Pathways (IMAGE) German Center for Infection Research Caption The bacterium Listeria monocytogenes can cause life-threatening infections; Contaminated food is a frequent source of infection. Credit S. Doijad, L. La Pietra 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.