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Epidemiology Concepts Quiz

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What is the difference between infectivity and pathogenicity?

Infectivity is the proportion of individuals who die from the disease, while pathogenicity is the proportion of infected individuals who develop clinical illness.

Infectivity is the proportion of exposed individuals who develop clinical illness, while pathogenicity is the proportion of infected individuals who develop clinical illness. (correct)

Infectivity is the proportion of individuals who develop subclinical disease, while pathogenicity is the proportion of individuals who develop clinical illness.

Infectivity is the proportion of infected individuals who develop clinical illness, while pathogenicity is the proportion of exposed individuals who develop clinical illness.

What is the difference between epidemic and pandemic?

An epidemic is a disease that affects a large number of people in a particular area, while a pandemic is a disease that affects a small number of people in a particular area.

An epidemic is a disease that affects animals, while a pandemic is a disease that affects humans.

An epidemic is a sudden increase in the number of cases of a disease in a particular population and geographic area, while a pandemic is an epidemic that has spread over several countries or continents. (correct)

An epidemic is a disease that spreads through direct contact, while a pandemic is a disease that spreads through indirect contact.

What is the difference between carrier status and latent disease?

Carrier status refers to individuals who are infected with a pathogen but do not show any symptoms, while latent disease refers to individuals who are infected with a pathogen and have symptoms but the pathogen is not actively replicating in their body. (correct)

Carrier status refers to individuals who are infected with a pathogen and have symptoms, while latent disease refers to individuals who are not infected with a pathogen but can transmit it to others.

Carrier status refers to individuals who are infected with a pathogen and have symptoms, while latent disease refers to individuals who are infected with a pathogen but do not show any symptoms.

Carrier status refers to individuals who are not infected with a pathogen but can transmit it to others, while latent disease refers to individuals who are infected with a pathogen and have symptoms but the pathogen is not actively replicating in their body.

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Description

Test your knowledge of epidemiology concepts with this quiz on chapter 2 of "Gordis Epidemiology." Challenge yourself to identify key terms such as epidemiologic triad, modes of disease transmission, and the iceberg concept. Sharpen your understanding of infectious and noninfectious agents, clinical illness, and subclinical disease. This quiz is perfect for students and professionals in the field of public health and epidemiology.