In which section would the reader most likely learn about why some people choose not to get flu shots?

herd about the flu
where is the shot, and why can't you get it?
but why aren't we all just getting the flu shot?
why should everyone get a flu shot?

But why aren't we all just getting the flu shot?

Explanation:

This section will give information about some cases where people choose not to get the vaccine against the flu. The fact that this section will deal with reasons is given by the word why; then, the fact that there are people who choose not be vaccinated is given by ..aren't we all ? This means that  the speaker assumes that most people choose to get the vaccine; yet, there are people who do not and will certainly give the reasons.

i would need to know the specific part of the passage your referring to ?