Epidemiology is the science of how disease moves through populations. These free epidemiology books in PDF put the core methods of the field in your hands, from measures of disease frequency to study designs, surveillance, and outbreak investigation.
Every title below is a full textbook, academic manual, or peer-reviewed article you can download without signup. You will find introductory textbooks for medical and MPH students, methods manuals on bias and confounding, and reference works from sources like the WHO, the CDC, and open-access university presses.
Pick the book that matches your level and start reading today. Whether you are taking your first epidemiology course or reviewing study design before analyzing your own data, every PDF below is legal, free, and ready for your tablet, laptop, or phone.
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Books on Epidemiology (Introductory Textbooks)
Start here if epidemiology is new to you. These textbooks walk through the vocabulary, the basic measures of disease frequency, and the study designs every epidemiologist uses.
An open-access epidemiology textbook that walks through measures of disease frequency, surveillance, study designs, bias, confounding, effect modification, and screening. Structured for medical and public health students who want a complete conceptual foundation.
The second edition of the WHO pillar textbook. Covers the logic of epidemiology, measures of disease frequency, study types, causation, and applications to communicable and noncommunicable disease control.
Lecture notes from the University of Gondar covering the basics of epidemiological methods, descriptive and analytic studies, causation, and communicable disease control. Written for environmental and occupational health students.
A concise open-access primer from University of Illinois faculty. Covers the history of epidemiology, infectious disease transmission, outbreak investigation, and measures of disease occurrence in a format designed for first-time learners.
Christy Bazan, Pedro Hallal, Rachel Hoopsick, Sheena Martenies, Andiara Schwingel, Rafael Tassitano
Books on Epidemiological Methods and Infectious Disease
Once the basics click, this is where the real work begins. These manuals go deep into surveillance, outbreak investigation, and how communicable disease moves through populations.
The CDC third-edition self-study course on applied epidemiology and biostatistics. Eighteen lessons take you from disease occurrence and frequency distributions through surveillance, outbreak investigation, analytic studies, and public health surveillance systems.
A European Commission chapter on the dynamics of communicable disease. Explains herd immunity, endemic and epidemic transmission, and how mortality and morbidity rates behave in stable and emergency settings.
Epidemiology is not only about germs. These readings look at how social conditions and disaster events shape the pattern of disease in real populations.
A review article introducing the field of social epidemiology. Defines how social class, income distribution, and the bio-psychosocial paradigm shape the pattern of disease in a population, with concrete research examples.
A review of disaster epidemiology as a sub-discipline. Covers tracking, mitigation, and research tools used in disaster response, with lessons drawn from Fukushima and other environmental public health events.
An opening chapter by Rodolfo Saracci on why the history of epidemiology matters. Traces how the field emerged as a population health science and how key methodological concepts like risk took shape over time.
An academic analysis of where Omrans epidemiologic transition theory breaks down. Examines why Eastern Europe stalled, how AIDS disrupted Africas transition, and what these exceptions reveal about the model itself.
That is our selection of free epidemiology books in PDF. We hope one of these titles helps you see the patterns behind disease and the tools epidemiologists use to read them.
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