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"Prevalence" is a descriptor in the National Library of Medicine's controlled vocabulary thesaurus, MeSH (Medical Subject Headings). Descriptors are arranged in a hierarchical structure, which enables searching at various levels of specificity.

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The total number of cases of a given disease in a specified population at a designated time. It is differentiated from INCIDENCE, which refers to the number of new cases in the population at a given time.

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This graph shows the total number of publications written about "Prevalence" by people in this website by year, and whether "Prevalence" was a major or minor topic of these publications.
Bar chart showing 858 publications over 31 distinct years, with a maximum of 61 publications in 2016
To see the data from this visualization as text, click here.