William M. Janda, Ph.D., is a Professor Emeritus of Pathology and Division Chair of Microbiology and Virology-John H. Stroger at Jr. Hospital/Cook County Health and Hospital System. He has received Doctor of Philosophy in Ph.D., Microbiology and Immunology at Northwestern University Medical School, Chicago, Illinois. His research interests are Pathogenic Neisseria, streptococci, staphylococci, fastidious gram-negative bacteria.