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12. 8% of new college students have antibodies to the Epstein-Barr virus at the time of their college entrance physical. What measure of disease frequency is this percentage? (a.) Prevalence (b). Risk (c). Incidence rate

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Answer:

The correct measure of disease frequency represented by the percentage of new college students with antibodies to the Epstein-Barr virus at the time of their college entrance physical (8%) is:

(a) Prevalence

Prevalence measures the proportion of individuals in a population who have a particular condition (in this case, antibodies to the Epstein-Barr virus) at a specific point in time. It tells us the extent of the condition within the population at a given moment. In contrast, incidence rate measures the rate at which new cases of a condition occur in a population over a specified period, and risk typically refers to the probability of developing a condition in the future, which is not represented by the given percentage.

Explanation:

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