The Department of Medical Microbiology and Immunology at the University of Wisconsin-Madison provides instruction and conducts research in areas of microbiology and immunology that bear on human disease.

The department's instructional program is one of the most diverse and active at the University of Wisconsin School of Medicine and Public Health.

The department presents the primary infection and immunity course in the medical student curriculum. Graduate students are served by the master's degree program and by the cosponsorship of and active participation in the campus-wide Microbiology Doctoral Training Program.