
Learn public-health epidemiology from CDC source material, including disease frequency, risk measures, study designs, surveillance, screening, and outbreak investigation.
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Epidemiology is the science of understanding what makes populations sick and how to keep them healthy. This module introduces the core definition, historical milestones, and the fundamental tasks that epidemiologists perform in public health practice.
5 min • Summary
Quiz • 23 Questions
Flashcards • 31 Cards
Disease does not occur randomly. By examining the person, place, and time of cases, epidemiologists create a detailed picture of a health problem. This module explores the methods of descriptive epidemiology and how to build and apply case definitions.
4 min • Summary
Quiz • 17 Questions
Flashcards • 12 Cards
Mind Map
Rates and ratios give epidemiologists the power to compare disease occurrence across different populations. This module covers the calculation and interpretation of key measures of disease frequency, association, and public health impact.
5 min • Summary
Quiz • 20 Questions
Flashcards • 9 Cards
To find the causes of disease, epidemiologists must go beyond description and test hypotheses. This module introduces the main study designs—cohort, case-control, and cross-sectional—and how to choose between them for different public health questions.
5 min • Summary
Quiz • 27 Questions
Flashcards • 20 Cards
Mind Map
Public health surveillance is the ongoing pulse-taking of a community's health. This module covers the purpose, characteristics, and evaluation of surveillance systems, and ties together all previous modules through the classic steps of an outbreak investigation.
5 min • Summary
Quiz • 23 Questions
Flashcards • 20 Cards
5 min • Summary
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