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Sudden increase in occurrences of a disease
- 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.
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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.
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Outbreaks are maintained by infectious agents that spread directly from person to person, from exposure to an animal reservoir or other environmental source, or via an insect or animal vector. Human behaviours nearly always contribute to such spread.
May 28, 2024 · Defining an outbreak of unexplained respiratory illness. Cluster: 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. Outbreak: When there are more disease cases than what is usually expected: For a given time (e.g., within 2 weeks)
- Healthcare workers at hospital X
- Males
CDC experts provide assistance to health departments and healthcare facilities to stop outbreaks and protect patients and healthcare workers. CDC uses what it learns while investigating outbreaks to devise strategies to prevent them from happening again.
An outbreak is defined as more cases of a disease than expected in a specific location over a specific time period. Suspicion often arises when health care workers report an unusual cluster or a single, unexpected presentation. This passive surveillance leads to a delay in the detection of an outbreak.
- Catherine F Houlihan, James Ag Whitworth
- 10.7861/clinmedicine.19-2-140
- 2019
- Clin Med (Lond). 2019 Mar; 19(2): 140-144.
Jul 28, 2009 · 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.
Apr 18, 2022 · An outbreak is when an illness happens in unexpected high numbers. It may stay in one area or extend more widely. An outbreak can last days or years. Sometimes, experts consider a...
