Colorado State University

What you'll study

The programme combines advanced coursework with hands-on laboratory research. Core topics include microbial genetics and physiology, cellular and molecular immunology, host–pathogen interactions, microbial ecology, and techniques in infectious disease research. Students typically take modules in experimental design and statistics, advanced molecular biology methods, and bioinformatics for microbiology.

Training emphasises practical laboratory skills: microbiological culturing, aseptic technique, flow cytometry, ELISA, PCR and next‑generation sequencing workflows, immunoassays, and animal or cell‑culture models where appropriate. Graduate students normally undertake an independent research project under faculty supervision, culminating in a written thesis and oral defence; some programmes or tracks may offer non‑thesis options with a larger coursework component or practicum.

Students also participate in departmental seminar series, journal clubs and rotations through different research groups early in their programme to identify thesis mentors and build interdisciplinary experience across areas such as bacterial pathogenesis, viral immunology, vaccine development, antimicrobial resistance and environmental microbiology.

Entry requirements

Applicants should hold a bachelor’s degree in biological sciences, microbiology, immunology, biochemistry or a closely related field, with evidence of solid undergraduate preparation in molecular biology and general microbiology. Typical application materials include academic transcripts, a statement of purpose outlining research interests, a curriculum vitae, and at least two academic letters of recommendation.

Applicants whose first language is not English must demonstrate proficiency through recognised language tests or approved institutional pathways. Relevant laboratory experience — such as undergraduate research projects, internships or employment in a research laboratory — strengthens an application. The programme evaluates overall academic performance and research potential rather than a single numeric threshold.

Career prospects

Graduates from this programme move into a wide range of roles in academia, industry and public service. Common career paths include:

• Research scientist in academic laboratories or research institutes focusing on infectious disease, immunology, or microbiomes.
• Biotech and pharmaceutical roles such as assay development, product development, quality control, or regulatory affairs.
• Clinical and public health laboratory work including diagnostic microbiology, epidemiology and outbreak response in government or health organisations.
• Science communication and policy roles that require strong technical knowledge of microbiology and immunology.
• Further study — many graduates continue to PhD programmes or professional degrees in medicine or veterinary medicine.

Why study at Colorado State University

Colorado State University offers a strong, research‑intensive environment in microbiology and immunology with interdisciplinary links to veterinary medicine, environmental science and public health. Faculty research spans molecular mechanisms of pathogenesis, vaccine and therapeutic development, antimicrobial resistance and microbial ecology, giving students access to diverse mentors and projects.

The campus provides well‑equipped core facilities for genomics, imaging and flow cytometry, as well as biosafety infrastructure suitable for infectious‑disease research. Graduate students benefit from seminar series, professional development workshops and opportunities to collaborate with regional public‑health and agricultural partners, reflecting CSU’s emphasis on translational science and One Health perspectives.