The undergraduate minor in microbiology requires a minimum of 15 s.h. in Department of Microbiology and Immunology courses (prefix MICR), including 12 s.h. in courses considered advanced for the minor taken at the University of Iowa. Courses numbered MICR:3147 Immunology and Human Disease and above are considered advanced for the minor, except MICR:3164 Nursing Microbiology and MICR:5220 Advanced Microscopy for Biomedical Research. Students must maintain a g.p.a. of at least 2.00 in all courses for the minor and in all UI courses for the minor. Course work in the minor may not be taken pass/nonpass.

Students may count a maximum of 2 s.h. earned in MICR:4161 Undergraduate Research in Microbiology or MICR:4171 Honors Undergraduate Research in Microbiology and a maximum of 2 s.h. earned in MICR:4163 Seminar: Microbiology toward the minor. They may count MICR:5218 Microscopy for Biomedical Research toward the minor but not MICR:5220 Advanced Microscopy for Biomedical Research.