4 Years On Campus Bachelors Program
The B.S. in Microbiology at Indiana University Bloomington prepares students for professional microbiology careers in health, environmental, governmental and industrial laboratories while also providing a strong foundation for medical, dental, optometry and graduate education. Students study microorganisms through substantial coursework in microbiology, chemistry, physics and mathematics, with opportunities to explore areas such as microbial genetics, medical microbiology, virology, molecular biology and microbial ecology.
Curriculum Structure
Year 1: Students build their scientific foundation through introductory biology, chemistry, mathematics and related foundational coursework. Early preparation is important because chemistry serves as a prerequisite for many of the program's advanced microbiology courses.
Year 2: Students move deeper into microbiology and laboratory-based learning, developing an understanding of microorganisms, their biology and their interactions with humans and the environment. Courses such as BIOL-M 250 Microbiology introduce fundamental principles and the significance of microorganisms to people and the environment.
Year 3: Students can develop more specialized knowledge through subjects such as Microbial Genetics, Microbial Physiology and Biochemistry, and Microbiology of Infectious Disease, exploring microbial genetics, cellular processes, pathogens, host interactions and disease transmission.
Year 4: Advanced study emphasizes specialized microbiology and research-oriented laboratory experience, with options including Environmental Microbiology Laboratory and Viral Tissue Culture Laboratory. Students can also pursue independent research with faculty mentors, helping them apply microbiological concepts to open scientific questions.
Focus areas: Microbial ecology, microbial genetics, medical microbiology, virology, molecular biology, cellular biology, infectious disease, environmental microbiology and microbial physiology.
Learning outcomes: Students develop the ability to understand the form, function, genetics and evolution of microorganisms; evaluate and interpret biological information; communicate scientific findings; and investigate questions in microbiology using the scientific process.
Professional alignment (accreditation): The University of Indiana Bloomington is institutionally accredited by the Higher Learning Commission (HLC); a separate specialized professional accreditation for the Microbiology B.S. is not stated on the official program page.
Reputation (employability rankings): A program-specific QS or Guardian employability ranking is not stated on the official Microbiology B.S. page; therefore, no program-specific ranking is provided.
The B.S. in Microbiology at Indiana University Bloomington gives students substantial hands-on preparation through dedicated microbiology laboratory courses and opportunities to participate in undergraduate research. Students develop practical skills in cultivating and studying microorganisms, applying microbiological techniques, and conducting experimental work, while IU’s undergraduate research programs allow students to work alongside faculty, graduate students, and peers on active research projects.
Practical learning opportunities include:
The B.S. in Microbiology at Indiana University Bloomington prepares students for professional microbiology careers across health, environmental, government and industrial laboratories, while also providing a strong foundation for graduate and professional education. The degree is particularly suited to students interested in applying microbiological knowledge in laboratory-based careers or continuing into advanced study.
Further Academic Progression: After completing the B.S., students can pursue graduate training in microbiology or related fields, including advanced study in areas such as molecular biology, genetics and biochemistry. The degree can also support progression toward professional education where additional prerequisites and admission requirements are met.


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