Okay. Which diseases are you willing to brave to facilitate the continuous evolution of mankind? Flu? Hepatitis-C? Polio?
So, apples and oranges.
There are reasons to have reservations about flu shots that do not apply to polio and such.
you have no idea what you are talking about.
What purpose is currently served in your body by the imprint created by a flu shot that you had seven years ago (at which time it was 60% effective at best to begin with)?