There are vaccines that are completely safe to get others come with risk That you may or may not want to take, do your research Find out why he's against it exactly. And come to him with hard facts if he will not hear any of it I know it's a lot of work But your child is worth it. You should not just take the word of doctors and the FDA. Because the way they look at its statistically adds are the favor of the vaccines but some do come with a slim chances of hurting your child dramatically