Infectious Diseases
Disease Transmission
Carriers
Transmission
100

The occurrence of cases of an illness, specific health-related behavior.

What is an Epidemic?

100

The living or nonliving in or on which an infectious agent lives, grows, and multiplies, and on which it depends for its survival in nature.

What is a Reservoir?
100

An individual who has been exposed to and harbors a disease-causing organism and who has done so for some time, even though the person may have recovered from the disease.

What is an Active Carrier?

100

____ is the uninterrupted and immediate transfer of an infectious agent from one person to another.

What is a Direct Transmission?

200

An epidemic that affects or attacks the population of an extensive region, country, or continent.

What is a Pandemic?

200

An invertebrate animal that transmits infection by conveying the infectious agent from one host to another.\

What is a Vector?

200

An individual who harbors a pathogen and who, although in the recovery phase of the course of the disease, is still infectious.

What is a Convalescent Carrier?

200

Occurs when an agent is transferred or carried by some intermediate item, organism, means, or process to a host, resulting in disease.

What is an Indirect Transmission?

300

Refers to the ongoing, usual, or constant presence of a disease in a community or among a group of people.

What is Endemic?

300

An inanimate object such as a piece of clothing, a door handle, or a utensil that can harbor an infectious agent and is capable of being a means of transmission.

What is a Fomite?

300

An individual who has been exposed to and harbors a pathogen, is in the beginning stages of the disease, is displaying symptoms, and has the ability to transmit the disease.

What is an Incubatory Carrier?

300

Occurs when droplets or dust particles carry the pathogen to the host and cause infection.

What is an Airborne Transmission?

400

A more than expected increase in the number of endemic cases.

What is an Outbreak?

400

An infectious organism in vertebrate animals that can be transmitted to humans through direct contact, a fomite, or a vector.

What is Zoonosis?

400

An individual who has been exposed to and harbors a pathogen but has not become ill or shown any of the symptoms of the disease. This could be referred to as a subclinical case.

What is an Healthy Carrier?

400

Occurs when an arthropod conveys the infectious agent.

What is a Vector-borne Transmission?

500

This occurs occasionally, or at regular intervals of time, or only in a few geographical places.

What is Sporadic?

500

_____ contains, spreads, or harbors an infectious organism.

What is a Carrier?

500

An individual who has been exposed to and harbors a pathogen and who can spread the disease in different places or at different intervals.

What is an Intermittent Carrier?

500

Involves an inanimate object that conveys an infectious agent to a host.

What is a Vehicle-borne Transmission?

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