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Social & Preventive Medicine Epidemiology 45a8ce31

In a population of 5000, incidence of disease is 100 in 1 year. Duration of disease studied for is 2 years. Calculate prevalence

A

20\/1000

B

40\/1000

C

80\/1000

D

400\/1000

High-Yield Explanation

Ref: Parks 23rd edition pg 61. Prevalence = Incidence x Duration = (100/5000) x 2 = (20/1000) x 2 = 40/1000

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