Sea Lion in South America (image) Arizona State University Share Print E-Mail 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. Share Print E-Mail 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.