I got a flu shot once because they guilt-ed me into getting one for our firstborn. Got sick as a dog.
Will never get one again.
that's called your immune response
your body is reacting to the introduction of a small amount of the virus.
unless i'm way off base there
@Terminalxylem
Lol. You weren't sick, you were just having an immune response that made you feel sick.
Oh I felt sick. I wasn’t actually sick.
LOL.
You could also view this as like "holy s, if I actually got the flu my *** would have been wrecked". I've gotten the real flu once ever and it was no joke. My wife and I both got it and we lost 4 days of our life. Just totally unable to do anything more than use the bathroom a couple times and eat ice cream. We were sleeping like 20 hours a day. The 4 hours we were up, we were barely coherent. That experience led me to get the flu shot annually.
Almost invariably, people who choose against vaccination “almost never get sick”. Implicitly, their immune system is doing just fine on its own, or they are really lucky.
If we take that at face value, for the individual, it makes sense to avoid a shot which may make them feel unwell. A few problems with that line of reasoning:
1. Immune function changes with time, as does susceptibility to infection. For something like the flu, there are too many variables to easily compute individual risk, with enough certainty to summarily dismiss vaccination. So how can one know when their risk from the flu significantly exceeds that from the shot?
2. Vaccine composition also changes with time. Some formulations are more reactogenic (likely to cause side effects) than others. While it’s possible to be intolerant of an “inert” ingredient, present in all vaccine formulations, it’s much more common to react differently to different vaccines.
3. Getting vaccinated impacts more than just the individual. How do you account for personal responsibility to our collective immunity? Policy makers err on the side of the latter, obviously.
Overall, the likelihood of a life-threatening adverse reaction to the flu shot is several orders of magnitude smaller than the chances flu kills you. For healthy adults, the absolute risk from either is small. But as flu risk increases with age, the potential downside from the shot is static, or decreasing as vaccine technology/formulations improve.
For people who elect against vaccination, what would change your mind?