“Prevalence” can be defined as: a. The proportion of new cases of a disease that occurs in a population at risk over a set period of time. b. The number of cases of disease in a population. c. The number of new cases of a disease that occurs in a population annually. d. The proportion of the total population that has a disease at one point in time. e. The number of cases of a disease at the midpoint of any year.

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“Prevalence” can be defined as:

a. The proportion of new cases of a disease that occurs in a population at risk over a set period of time.
b. The number of cases of disease in a population.
c. The number of new cases of a disease that occurs in a population annually.
d. The proportion of the total population that has a disease at one point in time.
e. The number of cases of a disease at the midpoint of any year.
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