Expert Directory

Gary S. Marshall, MD

Professor of Pediatrics
Chief, Division of Pediatric Infectious Diseases
Norton Children's and the University of Louisville School of Medicine
Louisville, KY

Gary S. Marshall, MD, is a professor of pediatrics and chief of the Division of Pediatric Infectious Diseases at the University of Louisville Department of Pediatrics in Louisville, KY. He completed medical school and residency at Vanderbilt University in 1986 and then a fellowship in infectious diseases at the Children’s Hospital of Philadelphia in 1989. 

Dr Marshall has been recognized as an astute clinician/educator, a productive investigator, and an effective administrator. He is a recipient of the Outstanding Clinical Professor and Educator of the Year Award from the Department of Pediatrics and the Distinguished Educator Award from the School of Medicine. In 2018, he received the Plotkin Lecture in Vaccinology Award from the Pediatric Infectious Diseases Society for “contributions to the field of vaccinology or areas of related science that have impacted the lives of children and the specific area of pediatric infectious diseases.” Dr Marshall is credited with more than 200 publications and is the author of The Vaccine Handbook: A Practical Guide for Clinicians (also known as The Purple Book), now in its 11th edition and available through a free app for iOS and Android devices.