Sea Lion in South America (image) Arizona State University Caption New research shows that tuberculosis likely spread from humans in Africa to seals and sea lions that brought the disease to South America. Credit Sara Marsteller/Arizona State University Usage Restrictions Please use the credit information. 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.