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W. Harry Feinstone Department of

Molecular Microbiology and Immunology

We are advancing understanding of the biology of disease and using this knowledge to solve enormous public health problems.


Arturo Casadevall

Arturo Casadevall Elected to National Academy of Sciences

Arturo Casadevall, MD, PhD, Bloomberg Distinguished Professor, and the Alfred and Jill Sommer Professor and Chair of the Department of Molecular Microbiology and Immunology at the Bloomberg School, has been elected to the National Academy of Sciences in recognition of his furthering the understanding of fungal pathogenesis.

What We Do

We believe in the power of scientific discovery. Our diverse research programs and committed faculty offer students unparalleled opportunities in the laboratory, in the clinic, and in the field.

Department Highlights

First in Immunology

Founded in 1916, ours was the first immunology department in the U.S.

MMI's Commitment to Diversity

Fostering an environment that is inclusive, diverse and equitable



Learn more about MMI's commitment to diversity  

Lab Science at Work

MMI has 24 working laboratories 


The R3 program, led by Gundula Bosch, PhD, retrains students to be critical thinkers 


Learn more about the R3 program

Our Degree Programs

How do you study the world’s most dangerous animal? In a world-class, carefully designed facility. The Johns Hopkins Malaria Research Institute at the Bloomberg School is home to a 3,000-square-foot insectary, one of the largest in the U.S.

Core Facilities

Our faculty and collaborators work in state-of-the-art facilities tailored to specific research needs.

Faculty Spotlight

J. Marie Hardwick, PhD

studies why neurons die prematurely and how to activate cell death programs in pathogenic microorganisms 

Upcoming Events

There are no upcoming events currently scheduled. Check back soon!

Support Our Department

Philanthropic gifts enable the pursuit of important research that cannot be supported by federal funding and also support student and faculty fellowships.