Carole Bolin, Southern Methodist University (image) Southern Methodist University Share Print E-Mail Caption Veterinarian Carole Bolin prepares to inject a cow with the new vaccine for bovine leptospirosis. Credit Photo courtesy of Keith Weller. AVMA. Usage Restrictions Please credit photo with appropriate credit. Thank you! 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.