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What is outbreak epidemiology?
What is the difference between epidemic and outbreak?
What does “outbreak” mean?
What is a local disease outbreak?
In epidemiology, an outbreak is a sudden increase in occurrences of a disease when cases are in excess of normal expectancy for the location or season. It may affect a small and localized group or impact upon thousands of people across an entire continent.
Jul 28, 2009 · The aim of outbreak epidemiology is to study an epidemic in order to gain control over it and to prevent further spread of the disease. Generally outbreak means a “sudden occurrence,” while in the epidemiological sense an outbreak is defined as a sudden increase in the disease frequency, related to time, place, and observed population.
- Ralf Reintjes, Aryna Zanuzdana
- 2010
- 10.1007/978-0-387-93835-6_9
Oct 31, 2014 · Epidemiology is the study of health-related events in defined human or animal populations. These events include specific diseases and conditions as well as the exposures and host factors that contribute to their occurrence.
- Michael T. Osterholm, Craig W. Hedberg
- 2015
- 10.1016/B978-1-4557-4801-3.00013-8
Step 3: Define cases Step 4: Identify cases and obtain information Step 5: Descriptive epidemiological investigation. Outbreak monitoring. Trawling questionnaires to five campylobacteriosis cases. Diarrhoea, stomach pain and fever (onset 4-5 June) Tap water at home in the week before symptom onset.
Outbreak carries the same definition of epidemic, but is often used for a more limited geographic area. Cluster refers to an aggregation of cases grouped in place and time that are suspected to be greater than the number expected, even though the expected number may not be known.
Oct 1, 2021 · 6.2 Definition of an outbreak or epidemic A local disease outbreak or small epidemic is commonly defined as the occurrence in a community or area of cases clearly in excess of what is expected. An outbreak or epidemic may be confirmed by comparing the incidence of disease cases with that in previous years for a similar period in the same community.
Outbreak response continues to follow nine basic principles: establish the presence of an outbreak, verify the diagnosis, make a case definition, find cases and contacts, conduct basic epidemiology, test hypotheses, institute control measures, communicate the situation and establish ongoing surveillance.
