Anne Moscona and Matteo Porotto (IMAGE) Columbia University Irving Medical Center Caption Anne Moscona and Matteo Porotto. Credit Center for Host-Pathogen Interaction, Columbia University Department of Pediatrics 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.