Public Health Glossary

Decode complex terminology and master the language of public health.

Ecological Study

Definition: An ecological study is an observational epidemiological study in which the unit of analysis is a group or population,…

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Effectiveness

Definition: Effectiveness refers to the extent to which a public health intervention, program, or policy achieves its intended outcomes under…

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Efficacy

Definition: Efficacy refers to the extent to which an intervention (e.g., a vaccine, drug, or public health program) produces a…

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Elimination (of disease)

Definition: Elimination of disease refers to the reduction to zero of the incidence of a specified disease in a defined…

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Emerging Infectious Disease

Definition: An Emerging Infectious Disease (EID) is a disease that has newly appeared in a population, or has existed previously…

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Endemic

A disease or condition regularly found among particular people or in a certain area.

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Environmental Health

Definition: Environmental Health is the branch of public health focused on the interrelationships between people and their environment, specifically assessing,…

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Epidemiology

The study of the distribution and determinants of health-related states or events in specified populations, and the application of this study to the control of health problems.

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Equity (Health Equity)

Definition: Health equity means everyone has a fair and just opportunity to be as healthy as possible, removing obstacles to…

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Eradication (of disease)

Definition: Eradication of a disease refers to the complete and permanent worldwide reduction to zero incidence of infection caused by…

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Evidence-Based Public Health

Definition: Evidence-Based Public Health (EBPH) is the systematic process of integrating the best available research evidence with public health expertise…

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Exposure

Definition: In public health, **exposure** is the state of being in contact with a source of a hazardous agent, environmental…

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