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surveillance
(redirected from Survelliance)

    Also found in: Wikipedia 0.18 sec.
sur·veil·lance (sr-vlns)
n.
1. Close observation of a person or group, especially one under suspicion.
2. The act of observing or the condition of being observed.
3. The collection, collation, analysis, and dissemination of data.
4. A type of observational study that involves continuous monitoring of disease occurrence within a population.
surveillance
keeping a watch over.
active surveillance
sampling, including necropsy examination, of clinically normal samples of the population; important in the surveillance of diseases in which subclinical cases and carriers predominate.
epidemiological surveillance
watching over a population and recording data likely to have epidemiological significance, usually with the aim of early detection of disease. Essentially an interventionist exercise compared with monitoring, which is passive.
passive surveillance
examination of only clinically affected cases of specified diseases in the population.
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