Administering ivermectin to sea lions (IMAGE) University of Sydney Caption Dr Rachael Gray and colleagues treating Australian sea lions with ivermectin at Seal Bay Conservation Park, Kangaroo Island, South Australia. Credit University of Sydney Usage Restrictions Only use with this story, with credit. License Original 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.