prevalence

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prevalence

[′prev·ə·ləns]
(genetics)
The frequency with which a medical condition is found in specific population at a specific time.
References in periodicals archive ?
Period prevalence of disease was calculated as the number of persons who fulfilled the disease criteria during a 5-year period (1998-2002 or 2006-2010), divided by the Ontario population at the period midpoint.
10,11) We report on paediatric HIV period prevalence, disease profile and outcome of children admitted to CHBH in the last quarter of 2007, several years after introduction of national PMTCT and paediatric HIV management programmes.