With the end of summer comes the beginning of a new season: flu season. You should get a flu shot even if you think you never get the flu. | Fly View Productions/GettyImagesSeveral kinds of flu viruses commonly circulate among people today: influenza A (H1N1) viruses, influenza A (H3N2) viruses, and influenza B viruses. The flu shot can’t give you the flu. | valentinrussanov/GettyImagesYour flu shot is either made with dead (deactivated) flu virus or, in the case of the recombinant flu vaccine, with no actual virus at all.