A lot of people will say they got the flu from the vaccine and they didn't. What they had was a reaction to a shot the same as you would have a reaction to any other shot.
Flu season extends all the way to March or April of next year, ... I would not be comfortable giving any of the vaccines too early because then you have people that won't be protected at the end of flu season.
I believe that everyone, no matter what age, should get a flu vaccine, ... This is the best way to protect yourself.