There is a point when vaccines kill more than the diseases they prevent.
Say, there's a 1:10,000 chance you die from vaccine against disease X, and 1:20,000 chance you contract and die from disease X.
The pleb reaction is an outcry "BAN THE VACCINE".
What they fail to realize is that the chance of death from disease X is so low is only thanks to the prevalence of the vaccine. The disease can't spread, and the chance of contracting it or medication failing is minimal because great most of the population is immune - the disease can't find many viable hosts.
Shortly after you ban the vaccine, number of deaths from disease X will spike, far overshadowing the number of deaths from the vaccine. It won't be 1 in 20,000 or 10,000 but 1 in 100 or so! But that's something ignorant people don't realize. They pick up the numbers "as of now" and claim the medicine is worse than whatever it cures.
I wonder if money would talk. Unvaccinated people simply taxed for extra health insurance for those whom they endanger.