The Study Of
Health Defense
World On Fire
Chain of Infection
100

The study of health problems within populations. Prevention and control of health problems.

Epidemiology

100

Preventing a disease or disorder before it happens

Primary Prevention.

100

Disease outbreak affecting large populations of people. Whole regions, countries, or a whole continent. 

Pandemic

100

Organism or region where an infectious pathogen lives.

Resevoirs

200

Quantifying the association between exposures and outcomes in health relationships.

Analytical Epidemiology

200

Requires behavioral change on the individual's part in terms of preventative care.

Active Primary Prevention

200

Disease that exists permanently in a specific region.

Endemic

200

Site where micro-organism leaves the host.

Portal of Exit.

300

The characterization of the distribution of health related states or events.

Descriptive Epidemiology
300

Detecting a disease early and attempting to halt its spread. Trying to stop it from getting worse.

Secondary Prevention

300

An outbreak spread through several communities overtime. Several cases.

Epidemic

300

How micro-organisms are moved from one location to another. 

Mode of Transmission

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