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What is Find out prevalence in a population of 5000, 500 are suffering from a disease. There are 150 old cases of disease in the population and explain in detail?
The term "disease prevalence" refers specifically to all current cases (old and new) existing at a given point in time, or over a period of time in a given population. A broader definition of prevalence is as follows: "the total number of all individuals who have an attribute or disease at a paicular time (or during a paicular period) divided by the population at risk of having the attribute or disease at this point in time or midway through the period . No. of old and new cases = 650 Total population at that point of time = 5000 Prevalence = (650/5000) x 100 = 0.13 x 100 = 13%