Monoclonal Antibodies (IMAGE) University of Pittsburgh Caption Monoclonal antibodies are a type of medication that seeks out the COVID-19 virus in a person's body and blocks it from infecting their cells and replicating. Credit UPMC Usage Restrictions None License Licensed 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.