Michael Wechsler, National Jewish Health (IMAGE) National Jewish Health Caption Michael Wechsler, M.D., an internationally recognized expert on Churg-Strauss Syndrome, called mepolizumab a "breakthrough therapy" for the disease. Credit National Jewish Health Usage Restrictions Credit: National Jewish Health 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.