Karen Carroll

Karen Colleen Carroll is an American infectious disease pathologist and medical microbiologist specialized in the evaluation of diagnostic platforms and the epidemiology of healthcare-associated infections. She is a professor of pathology and director of the division of medical microbiology at the Johns Hopkins School of Medicine.

Life Carroll was born and raised in a suburb of Baltimore in a Roman Catholic family. Her mother worked in the home and her father was a laborer who had served in the U.S. Navy during World War II. She completed an internal medicine residency at the University of Rochester Medical Center.