Cases
Transmissions
The "-mics"
Preventions
Chain of Infection
100

The first person with the disease in a population

What is primary case?

100

The immediate transfer of an infection from one person to the next.

What is direct transmission?

100

The spread of a disease that is affecting multiple regions and countries over a fast period of time.

What is pandemic?

100

Preventing a disease before it happens

What is primary prevention? 

100

The pathogen responsible for infection or disease

What is infectious agent?


200

A set of guidelines to determine if people are acquiring a certain disease or another infection. 

What is case definition?

200

An infection that is carried through via food, water, or air to reach a host.

What is indirect transmission?

200

A spike of disease cases that quickly occur in a region.

What is epidemic?

200
The individual must change their behavior 

What is active primary prevention? 

200

When the agent enters the body through one's eyes, mouth, or skin

What is portal of entry?

300

A person who is classified with a disease

What is case?

300

When droplets are carried to a host through a cough or sneeze.

What is airborne transmission? 

300
When a disease is specific to a certain group of people or population. 

What is endemic?

300

The individual does not need to change their behavior

What is passive primary prevention? 

300

A person or animal that the infection escapes from

What is reservoir? 

400

A person infected who gets the attention of the epidemiologist.

What is index case?

400

When an insect is responsible for transferring infections to a host. 

What is vector-borne transmission?

400

Occurs when a population affected by a common-source are having contact with one another.

What is mixed epidemic?


400

When health screening or detection device is necessary to identify the disease

What is secondary prevention?

400

When a pathogen travels out of the body

What is portal of exit?

500

A person who is displaying symptoms but not yet diagnosed.

What is suspect case?

500

An object or non-living thing that brings a germ or infection to a host.

What is vehicle-borne transmission?

500

The spread of an infection from one person to another. 

What is propagated epidemic?

500

When rehabilitation is necessary as the disease caused damage to its host

What is tertiary prevention? 

500

Examples of this include a cough or sneeze in order for the germ to travel.

What is mode of transmission? 

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