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Prevalence: Quiz


Question 1: In epidemiology, the prevalence of a ________ in a statistical population is defined as the total number of cases of the disease in the population at a given time, or the total number of cases in the population, divided by the number of individuals in the population.

Question 2: As such, prevalence is a useful parameter when talking about long lasting diseases, such as ________, but incidence is more useful when talking about diseases of short duration, such as chickenpox.
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Question 3: It helps physicians or other health professionals understand the probability of certain diagnoses and is routinely used by epidemiologists, ________ providers, government agencies and insurers.
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