The flu shot is someones best guess as to what strain of flu will be prevalent in a given flu season. It offers no long term protection. It must be retaken seasonally to even have a chance at working. If you take it you most definitely can still get the flu. Many report “flu like” symptoms after taking a flu shot which natural since you were injected with the flu. So to prevent the flu you give yourself the flu (in a more mild form) and hope it was the right flu.
I have 4 co workers who all got the flu twice last year. Once from the “vaccine” (with the “wrong” flu) and again (its suspected) from the seasonal flu that made the rounds. Four of them. Maybe its a freak occurrence, its not a double blind stidy.... and maybe not. the mere fact that you have to take it yearly suggests its not actually a vaccine in the traditional sense but a prophylactic with an abysmal successes rate tied to its inability to predict the future.
tamaflu, on the other hand, when given at the onset set of the flu, has proven to be very effective at treatment. Its not perfect to treat as opposed to prevent but at least it works consistently, unlike the flu shot.
Facts continue to trump paranoia from people who get all in a twist over things that scare them. But if it makes you happy to take it then take it and be happy and I will be happy for you.