This course introduces students to the field of public health: its historical evolution, fundamental theories, concepts and practice in the US, and its core values and ethical principles. The course outlines the structure of the public health system, the ten essential services, and the core knowledge areas — epidemiology, biostatistics, social and behavioral sciences, environmental health, and healthcare policy and administration.
Five core knowledge areas as a genuine organizing structure
The course explicitly organizes public health around five core knowledge areas — epidemiology, biostatistics, social/behavioral sciences, environmental health, healthcare policy — giving students a genuine map of the discipline's full analytical range from the very first course.
The ten essential services as concrete public health function
PHE-101's coverage of the ten essential services translates abstract public health mission into concrete, actionable governmental and community functions, moving beyond theory into what public health systems actually do.
Key topics in PHE101
- The historical evolution of public health
- Core values and ethical principles
- The structure of the public health system
- The ten essential public health services
- Epidemiology and biostatistics foundations
- Social, behavioral, and environmental health
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Worked example: five knowledge areas mapping the discipline
- Single-lens approach: Understanding public health only through a medical/clinical lens
- PHE-101's approach: Mapping public health across epidemiology, biostatistics, social/behavioral sciences, environmental health, and policy together
- Lesson: PHE-101 teaches that public health is a genuinely multi-disciplinary field, not a narrow medical specialty
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Frequently asked questions
Public health genuinely draws on distinct analytical disciplines that each contribute a different lens — epidemiology tracks disease patterns, biostatistics provides quantitative rigor, behavioral science addresses individual and community health behavior — and no single framework captures this genuine multi-disciplinary breadth. PHE-101 organizes around these five areas because understanding public health accurately requires recognizing it as this genuinely interdisciplinary field, not a narrow specialty.
The ten essential services translate public health's broad mission into concrete, actionable functions that real public health agencies and organizations actually perform — surveillance, policy development, community engagement — giving students a genuinely practical understanding of what public health work involves beyond abstract mission statements. PHE-101 covers these services because they ground the discipline in real, observable institutional practice, not just theoretical concepts.