Definitions
Epidemiology
Types of Reservoirs
Classification of Disease
Modes of Transmission
100

An association between two or more species

What is symbiosis?

100

Branch of the U.S. Public Health Service responsible for the control and prevention of infectious diseases

What is the Centers for Disease Control or CDC?

100

I don't feel ill

What is a healthy carrier?

100

Unknown cause

What is idiopathic?

100

Coughs, sneezes, speaking in close quarters

What is droplet transmission?

200

The presence of microorganisms, usually where they are not wanted

What is contamination?

200

The study of causes and origins of disease

What is Etiology?

200

Food, milk, water, soil, air

What is a non-living reservoir?

200

Caused by medical procedure

What is iatrogenic?

200

Clothing, dishes, utensils, toys, bedding

What is indirect transmission?

300

The degree or intensity of the disease produced by a pathogen

What is virulence?

300

The number of persons contracting a specific disease in relation to the total population

What is morbidity rate?

300

Transmission of disease from other species to humans

What is an animal reservoir?

300

Excessive or deficiencies in hormone production

What is endocrine?

300

Transmission across the placenta

What is vertical transmission?

400

The capacity or ability of a microorganism to cause a disease

What is pathogenicity?
400

The number of deaths from a specific disease in relation to the total population

What is mortality rate?

400

Periodically releases organisms

What is an intermittent carrier?

400

Lowers resistence to infectious diseases and contributes to severity

What is nutritional deficiency?

400

Infectious organism must complete part of its life cylce in the vector

What are biological vectors?

500

A disturbance in the state of health that prevents the body from performing any or all of it's normal functions

What is disease?

500

The number of new cases of a disease seen in a specific period of time

What is incidence?

500

Carries the pathogen for a long time after recovery of disease

What is a chronic carrier?

500

Abnormal cell growth that leads to tumors and harmless or cancerous growth

What is neoplastic?

500

Mainly from soil, plant, animals

What is airborne transmission?

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