Gary S. Marshall, MD
Professor of Pediatrics
Division of Pediatric Infectious Diseases
University of Louisville School of Medicine
Louisville, Kentucky


Gary S. Marshall, MD, is Chief of the Division of Pediatric Infectious Diseases, Professor of Pediatrics, and Director of the Pediatric Clinical Trials Unit, all at University of Louisville School of Medicine, Kentucky. Dr. Marshall's research interests include congenital cytomegalovirus infections, outcomes research in diagnostic microbiology, and immunization practice.

A native of Philadelphia, Dr. Marshall received his undergraduate degree from University of Pennsylvania, and his medical degree at Vanderbilt University in Nashville, Tennessee. After completing a pediatric residency at Vanderbilt in 1986, he entered a fellowship in infectious diseases at the Children's Hospital of Philadelphia. He performed additional research training focused on Immunology at the Institute for Cancer Research and Virology at the Wistar Institute, both in Philadelphia.

During his tenure at Louisville, Dr. Marshall has been recognized as an astute clinician, effective educator, and productive investigator, receiving such accolades as the Outstanding Clinical Professor Award, the University President's Young Investigator Award, and the Department of Pediatrics Educator of the Year Award. He is a Fellow of the American Academy of Pediatrics and the Pediatric Infectious Diseases Society and has served in several national leadership positions. Dr. Marshall is the author of over 70 original research articles and numerous other abstracts, chapters, and monographs. However, he is perhaps best known for his work in the areas of vaccine development, advocacy, and education, for his book entitled The Vaccine Handbook: A Practical Guide for Clinicians (now in its second edition), and for the widely-distributed periodical, The Vaccine Quarterly.