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Conducting epidemiological studies in health protection 

Conducting epidemiological studies in health protection

Chapter:
Conducting epidemiological studies in health protection
Author(s):

Sam Ghebrehewet

, Paul Cleary

, Merav Kliner

, and Ewan Wilkinson

DOI:
10.1093/med/9780198745471.003.0023
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date: 24 April 2017

This chapter describes the different types of epidemiological studies that are used in health protection investigations. These include descriptive studies such as case reports, case series, cross-sectional studies, and analytical studies, particularly case-control and cohort studies. It provides a number of real-life examples illustrating these different types of investigation and their application in health protection practice. It also gives guidance on the type of study to use in different incidents or outbreaks, and on sample size determination. The limitations of the different study designs are described. The particular requirements of randomized controlled trials and systematic reviews, and their role in health protection are described. The roles of qualitative and operational studies are also outlined.

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