Bobby Joseph CherayilB. J. Cherayil, MD (LEXINGTON, MA), is a physician-scientist who conducts research on the immune system as a principal investigator in the Mucosal Immunology and Biology Research Center at Massachusetts General Hospital. He is also an associat professor of pediatrics at Harvard Medical School, where he codirects two immunology courses and is a member of the Harvard-MIT Health Sciences and Technology faculty. Read More Read Less