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Q: Will the flu shot be painful for my child?

A: There is some pain but it usually goes away fast. And it’s one of the best things you can do to help prevent the flu. There are a lot of things that can impact what your experience is, so it's hard to say. For example, there can be a lot of variability depending on the technique of the person giving the shot.

Q: When is it too late in the season to get a flu vaccine?

A: The season generally begins in September or October and can run as late as May, but some seasons behave differently. Throughout the season, we recommend that people get their vaccines if they haven't already. You can never be sure, because flu is unpredictable. ... We recommend getting it as early as possible in the season, so you can establish your immune protection as early as possible.