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Master's Degree

Master of Arts in Public Health Biology (MaPHB)

interdepartmental program offered by Biochemistry and Molecular Biology, Environmental Health and Engineering, and Molecular Microbiology and Immunology

Online | Part-Time | 23 years

About This Program

The Master of Arts in Public Health Biology is a fully online, part-time degree program that provides concrete training in biology and public health with particular focus on the application of theory and methods of inquiry, designed for experienced professionals looking to advance their career or shift their career focus to a new field.

This program delivers the knowledge and tools necessary for graduates to become critically engaged in investigating and addressing longstanding and emerging public health issues that have local, national, and global import.

The program is interdepartmental, involving the active participation of the School’s three biological sciences-based departments: Biochemistry and Molecular Biology, Environmental Health and Engineering, and Molecular Microbiology and Immunology.

State-specific Information for Online Students

Students should be aware of additional state-specific information for online programs.

Program Highlights

The MaPHB fosters knowledge of and appreciation for the many ways that modern biological principles and research methods can be applied to the identification, treatment, and prevention of conditions of relevance to the health of the public. The program was designed from the start as a part-time, fully online program to meet the needs of working professionals.


Fully online program in JHSPH, launched in 2017


Years to completion for average part-time student


Core and elective credits


Literature-based research thesis project

What Can You Do With This Degree?

The MaPHB provides its part-time students with a pathway to career opportunities or advancement in pre-college and college teaching, basic and clinical research, industry and governmental research organizations, or might lead to advanced graduate work.

Sample Careers

  • Laboratory Manager
  • Natural Resources Biologist
  • Life and Physical Science Technician
  • Biological Science Laboratory Technician
  • Research Biologist
  • Healthcare Administration
  • Project Manager
  • Biology Educator
  • College Instructor


The Master of Arts in Public Health Biology offers a flexible, fully online curriculum that is accessible to students around the world. The program is designed to provide a solid, conceptual basis for an understanding of the rationale, tools and approaches that are essential for addressing problems in public health. The flexible options allow students to tailor this curriculum to gain credentials for advancement in industry, academia or government, or meet requirements for entry into advanced degree programs in research.

Required coursework is offered from the three departments that jointly offer the MaPHB, Biochemistry and Molecular Biology, Environmental Health and Engineering, and Molecular Microbiology and Immunology, and also from the Departments of Biostatistics and Epidemiology. Students may take elective courses from online course across JHSPH. The program culminates in the writing of a literature-based scholarly thesis.

Browse an overview of this program's requirements in the JHU Academic Catalogue and explore all course offerings in the Bloomberg School Course Directory.


Minimum course credits


Core course credits


Online courses available across JHSPH


Fully-online certificate programs offering focused training in specialized areas of public health

Admissions Requirements

For the general admissions requirements see our How to Apply page. The specific program also requires:

Prior Work Experience

Not required but strongly encouraged

Prior Coursework

Background in the sciences, particularly in chemistry, biochemistry, or biology

Standardized Test Scores

Standardized test scores (GRE, MCAT) are optional for this program. The admissions committee will make no assumptions if a standardized test score is omitted from an application, but will require evidence of quantitative/analytical ability through other application components such as academic transcripts and/or supplemental questions. Applications will be reviewed holistically based on all application components.

Program Faculty Spotlight

Barry Zirkin

Barry Zirkin

Biochemistry and Molecular Biology

Barry Zirkin, PhD, is a reproductive biologist who conducts mechanistic studies of testosterone production in aging Leydig cells of the mammalian testis.

Gary Ketner

Gary Ketner

W. Harry Feinstone Department of Molecular Microbiology and Immunology

Gary Ketner, PhD, finds viruses utterly fascinating and sees them as powerful tools in providing immunity against pathogens such as malaria and even other viruses.

Mark Kohr

Mark Kohr

Associate Professor
Environmental Health and Engineering

Mark Kohr, PhD, researches how male and female hearts differ in response to injury and environmental factors.

Tuition and Funding

The MaPHB tuition is charged on a per-credit basis, in addition to the fees applicable to part-time programs. MaPHB students that are taking a minimum of 6 credits/term are eligible for financial aid; additional information is available from the Office of Student Affairs within the Bloomberg School.

Contact Us

Questions about the program? We're happy to help.

Academic Coordinator
Toni Doherty

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