Karen Carroll (pathologist)
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. Neither of her parents finished high school. Her father died from a chronic illness when Carroll was 13. She attended an all girls Catholic high school. Carroll had an early interest in science. In 1970, she won a four-year scholarship to attend Notre Dame of Maryland University. She graduated in 1975 with a bachelor's degree in biology. Carroll earned a M.D. at the University of Maryland School of Medicine. She completed an internal medicine residency at the University of Rochester Medical Center. Carroll conducted an infectious disease fellowship at the University of Massachusetts Chan Medical School. From 1986 to 1988, Carroll and her husband, pulmonologist Bruce C. Marshall, moved to Memphis, Tennessee. Carroll began a