John A. Molinari, PhD, is a professor emeritus at the University of Detroit Mercy, where he served for 32 years in the School of Dentistry as professor and chairman of the Department of Biomedical Sciences and director of infection control. He has also served as an infectious disease consultant for the United States Centers for Disease Control and Prevention, American Dental Association, and regional hospitals. The author of more than 500 scientific articles, text chapters, and abstracts in the areas of microbiology and immunology, Molinari lectures nationally and internationally on topics dealing with infectious diseases and infection control. He can be reached at: [email protected].