The 15 min wait is because some known side effects manifest within those 15 minutes. Everything else is either minor, or extremely rare, or both. The US has the VAERS system if you want more on side effect reporting, but your doctor is supposed to do the work.
Either way, the vaccine was tested. That it didn't go through a 10 year trial period is because we didn't have the time. Will you suddenly explode or combust in 11 years? I can't prove you won't. I would happily put money on the negative though, care to wager?
That wait is for most or all vaccines, including pre COVID times. Any parent will be familiar with that instruction to wait after the shot.
And you're being deliberately obtuse. Like most medicines, vaccine injections have other ingredients like preservatives, the carrier fluid, etc. People can be allergic to the other ingredients but not the mRNA/TDAP/Influenza/whatever vaccine.
The 15 min wait is because some known side effects manifest within those 15 minutes. Everything else is either minor, or extremely rare, or both. The US has the VAERS system if you want more on side effect reporting, but your doctor is supposed to do the work.
Either way, the vaccine was tested. That it didn't go through a 10 year trial period is because we didn't have the time. Will you suddenly explode or combust in 11 years? I can't prove you won't. I would happily put money on the negative though, care to wager?