Question

At the beginning of one week, a total of 12 people in a town had influenza. Two people were cured by the end of the week. Then, during the following week, three new people contracted the disease. Which statement is best supported by this information? The incidence of the flu decreased by the end of the second week. The incidence of the flu increased by the end of the second week. The prevalence of the flu increased by the end of the second week. The prevalence of the flu decreased by the end of the second week.

Answer 1

The incidence of the flu decreased by the end of the second week.

Incidence include the new cases of pathology in a given period of time. At the beginning of the first week, there were 12 people who contracted influenza and decreased to 3 by the second week. 

While incidence conveys information about the risk of infection, prevalence indicates how widespread a disease is. The prevalence can be determined as increased or decreased by comparing it to the whole population, which is not indicated in this case.

Answer 2

Answer:

A

Explanation:

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