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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.

MeSH information
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.

This graph shows the total number of publications written about "Prevalence" by people in the URMC Research Network by year, and whether "Prevalence" was a major or minor topic of these publication.