I think avoiding all vaccines altogether is an even better approach. I am not trusting what any vaccine manufacturer says about the ingredients in its vaccines. That is a separate concern from whether vaccine theory is valid.
If you are the father of a child with autism, then I would really encourage you to see the movie "Vaxxed", or perhaps the docuseries "The Truth About Vaccines" or "Vaccines Revealed" and encourage other family members to do so as well.
Here's one of the newer articles on the subject, pointing out the dangers of aluminum in some vaccines. So that danger, in conjunction with mercury preservatives, makes vaccines twice as dangerous. And then there's the research indicating vaccines are not even very effective in many cases. But modifying one's diet to strengthen the immune system is very effective--and safe!