The other common legal usage of vacate refers to the canceling or rescinding of court judgments and orders. State and federal rules of Civil Procedure give courts the authority to modify prior judgments.
Cancer prevalence is defined as the number of living people who have ever been diagnosed with cancer. It includes people diagnosed with cancer in the past as well those who were recently diagnosed. Cancer prevalence is determined by how often a cancer occurs (incidence) and by how long people normally live after diagnosis (survival). This means prevalence counts are highest for the most common cancers with the longest survival.
Definition: Prevalence is a term which is used to denote the measurements of disease frequency. Prevalence of a disease is the proportion of population affected by a specific disease at a particular time.This tutorial explains you how to calculate the Prevalence rate of Disease.