This program is a multi-departmental, interdisciplinary Ph.D. program of training and research in the study of microorganisms and their effects on their hosts. The faculty of the program share a commitment to understanding the biology of microorganisms through cellular, molecular, and genetic approaches. This faculty comprise microbiologists in several academic departments at Yale, including Molecular, Cellular, and Developmental Biology, Cell Biology, Epidemiology and Public Health, Experimental Pathology, Genetics, Immunobiology, Microbial Pathogenesis, and Molecular Biophysics and Biochemistry. The program is coordinated through the Section of Microbial Pathogensis.