题目内容

What cannot be considered as a benefit of vaccination?

A. More flu cases could be prevented.
B. More people are prevented from hospitalization.
C. More people are administered X-rays.
D. Less people got sick because of flu.

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Which of the following is true according to Frieden?

As flu season last year was not severe, more people were prevented from hospitalization.
B. Flu season last year was relatively severe, so morepeople were hospitalized.
C. Flu season last year was relatively severe, so more flu cases were prevented.
D. Flu season last year was relatively severe, so more people get sick.

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