Capuchin Monkey (IMAGE) U.S. National Science Foundation Caption EEID scientists work to answer questions like how HIV spread from monkeys to humans. Credit Tony Goldberg, University of Wisconsin-Madison 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.