Career roadmap
How to Become an Epidemiologist
The education, training, certifications and steps it takes to start working as an epidemiologist, plus how long it takes and where the career can lead.
To become an epidemiologist: (1) earn a bachelor’s, (2) earn an MPH, (3) do a practicum, (4) get hired, (5) advance. Most people need about 2 years after a bachelor’s. BLS lists “master's degree” as the typical entry-level education.
5 steps to become an epidemiologist
Earn a bachelor’s
Biology or health.
Earn an MPH
Epidemiology focus.
Do a practicum
Health department.
Get hired
Epidemiologist.
Advance
Senior or EIS.
Education and training requirements
A master’s degree in public health (MPH) or epidemiology is typical.
| Typical entry-level education (BLS) | Master's degree |
|---|---|
| Related work experience | None |
| On-the-job training | None |
| Typical training time | 2 years after a bachelor’s |
Certifications and licenses
- CPH: Certified in Public Health.
- CIC: Infection control credential.
- CDC EIS: Epidemic Intelligence Service fellowship.
- Ph.D. or DrPH: For research.
Skills to build now
Start with epidemiologic methods, biostatistics, and outbreak investigation, and practice curiosity and communication. Learning the epidemiologist vocabulary early makes training and interviews easier.
Where the career can lead
- Epidemiologist I: Entry.
- Epidemiologist: Investigate.
- Senior Epidemiologist: Lead.
- State Epidemiologist: Lead programs.
Get a head start
Our self-paced Epidemiologist training gives you a realistic, practical overview of the job (duties, terminology, step-by-step tasks, safety and interview prep) so you can decide with confidence and show employers you’re serious.
Common questions about getting started
How long does it take to become an epidemiologist?
Most people need about 2 years after a bachelor’s of training. A master’s degree in public health (MPH) or epidemiology is typical.
Do you need a degree to be an epidemiologist?
Yes. BLS lists a master's degree as the typical entry-level education.
What certifications are available for epidemiologists?
Common credentials include CPH, CIC, CDC EIS, and Ph.D. or DrPH. Requirements vary by state and employer.
Sources
- U.S. Bureau of Labor Statistics, BLS Occupational Employment and Wage Statistics (OEWS), May 2025, SOC 19-1041 (Epidemiologists).
- U.S. Bureau of Labor Statistics, BLS Employment Projections, Table 1.2 (2025–35).
- O*NET OnLine summary for Epidemiologists (U.S. Department of Labor).
- BLS Occupational Outlook Handbook.
Reviewed by the Career Education Institute Curriculum Team. Pay figures are national estimates; local pay varies. See our editorial policy.