Then become a hermit. Otherwise you are putting other people at risk.
If you are concerned about the miniscule risk that vaccines might pose (and all the fear-mongering about mercury, autism, etc. is bogus) then you must not subject yourself to any medical procedure. Vaccinations have a safer record than just about any other medical procedure. Even getting your teeth cleaned has risks.
And I have a choice as to whether I get my teeth cleaned, no one is forcing me to do it.
I’m not convinced one way or the other as to the safety of vaccines. Certainly they can, but not always, prevent one from catching a disease they’d rather not have. But they can also cause some severe problems, per the literature that the manufacturers include with the doses. Maybe some day they’ll be able to tell beforehand who will and who won’t have an adverse reaction. Until then I dont believe in forcing people to have a vaccine they don’t want. I have no problem with the recent California law, there is still the alternative of homeschooling for parents who choose not to vaccinate their children.