In a population of 5000, incidence of disease is 100 in 1 year. Duration of disease studied for is 2 years. Calculate prevalence
Correct Answer: 40/1000
Description: Ref: Parks 23rd edition pg 61. Prevalence = Incidence x Duration = (100/5000) x 2 = (20/1000) x 2 = 40/1000
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