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Epidemiology Basics

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Questions and Answers

What is the primary distinction between contamination and infection?

Contamination refers to the presence of an infectious agent on a body surface or object, while infection refers to the entry and development of an infectious agent in the body.

What is the term for the process by which arthropods, such as lice or itch mites, develop and reproduce on the surface of the body or clothing?

Infestation

What is the term for a disease that is transmitted through contact, such as scabies or sexually transmitted diseases?

Contagious disease

What is the definition of a host in the context of infectious disease?

A person or animal that affords lodgment to an infectious agent under natural conditions. Signup and view all the answers

What is the term for an illness caused by a specific infectious agent or its toxic products, capable of being directly or indirectly transmitted from man to man, animal to animal, or from the environment to man or animal?

Communicable disease Signup and view all the answers

What is the key difference between an infectious disease and an infestation?

An infectious disease is a clinically manifest disease resulting from an infection, while an infestation is the development and reproduction of arthropods on the surface of the body or clothing. Signup and view all the answers

What is the primary concern in infection control, in relation to contamination and infection?

Preventing the transmission of infectious agents from contaminated surfaces or objects to individuals. Signup and view all the answers

What is the role of a host in the transmission of zoonotic diseases?

A host can serve as a reservoir for the infectious agent, allowing it to be transmitted to other animals or humans. Signup and view all the answers

What is the significance of identifying risk factors in disease surveillance and outbreak investigation?

Identifying risk factors helps to focus control measures and prevent further transmission of the disease. Signup and view all the answers

What is the primary goal of outbreak investigation, in relation to infectious diseases?

To identify the source of the outbreak, and implement control measures to prevent further transmission. Signup and view all the answers