What you should know about the re-emergence of polio

Mark Cornelison | UKphoto/Mark Cornelison | UKphoto

With the recent discovery of the polio virus in the water supply in New York state, how worried should Kentuckians be of a possible new outbreak of a disease long thought eradicated? Dr. Greg talks polio and vaccination with Ilhem Messaoudi, Ph.D., a UK College of Medicine immunology and virology expert who serves as chair of the Department of Microbiology, Immunology, and Molecular Genetics.