biol 261 epidemiology exam

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Why does epidemiologist acquire population-based data about infectious diseases?

endemic vs epidemic vs pandemic

Which is more severe, a disease with a high mortality or one with a high morbidity?

Mortality because its consequence is death. morbidity just means high incidence of illness

What are the stages of a disease?  What is an index case?

How does herd immunity prevent a nonimmune individual from acquiring a disease?  Give an example.

 What are the major means of human infectious disease transmission and give examples of each.

What is a zoonotic disease?  What is a disease reservoir?

disease vehicle vs disease vector

Why will a disease such as human rabies likely never be eliminated?

Distinguish between common-source and host-to-host epidemics.  Cite at least one example of each.  Describe how common-source epidemics can be recognized using epidemiological surveillance data.

 Distinguish between direct and indirect transmission of disease.  Cite at least one example of each.

Compare public measures for controlling infectious diseases caused by insect vectors and human carriers.

Outline the steps taken to eradicate smallpox.

Describe some of the public health activities of the U.S. Centers for Disease Control and Prevention.

 Contrast mortality due to infectious diseases in Africa and the Americas.

List infectious diseases for which you have not been immunized and with which you could come into contact next year.