A Newly Developed Chimeric Antibody (image) Hokkaido University Share Print E-Mail Caption The anti-bovine PD-1 rat antibody (left) was found unstable in the cow's body and had no antiviral effect. So, the research team formed a rat-bovine chimeric antibody (right) which successfully showed an antiviral effect. Credit Satoru Konnai, Hokkaido University Usage Restrictions This illustration is copyrighted and can be used for reporting this press release without permission if it's credited correctly. 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.