Case Levels
The Principles
Preventions
Transmissions
Spreading of infectious diseases
100

The first case discovered during an outbreak, and it will travel person to person.

What is primary case?

100

Objects that carry infection and disease.

What is fomite?

100

When a community has to take the initiative to prevent an infectious disease before it spreads.

What is active primary prevention?

100

When an infectious agent transfers from one person or object to another.

What is modes of transmission?

100

An infectious disease that has an outbreak all of the world.

What is pandemic?

200

A person that gets exposed from another person with the disease.

What is secondary case?

200

A place where an agent lives and grows.

What is reservoir?

200

Prevents disease before it occurs and spreads.

What is Primary prevention?

200

The transmission from physical contact between an infected person and an healthy person.

What is direct transmission?

200

The spreading of an infectious disease in a community.

What is epidemic?

300

The case where a person has new characteristic to a disease.

What is suspect case?

300

A non-living factor that indirectly transmits infectious agents.

What is vehicles?

300

When the community does not have to take action before the infectious disease spreads.

What is passive primary prevention?

300

Transmission from small respiratory droplets.

What is airborne transmission?

300

An infectious disease that is found among a certain group of people in a certain area.

What is endemic?

400

The first outbreak of disease that might not spread from person to person.

What is index case?

400

A person that is infected, but shows no symptoms, and passes the infection to others.

What is a carrier?

400
Reduces the infectious disease once it effects the individual.

What is tertiary prevention?

400

When there was no contact between to humans.

What is indirect transmission?

400

When characteristics include common-source and propagated outbreak characteristics.

What is mixed epidemic?

500

Uniform criteria's used to define disease in a community.

What is surveillance case?

500

The transfer of disease from human to animal.

What is Zoonoses?

500

Identifying the disease in its early stages before it spreads.

What is secondary prevention?

500

When the vector uptakes the agent from an infected animal.

What is biological transmission?

500

An outbreak from the same source and effects a group of people.

What is common-source?