Think about disease outbreaks you hear about on the news. Don't bother with vax for any of those. Flu, covid, things like that. If those vaccines worked, there wouldn't be outbreaks every year. Skip these.

Polio is all but gone. M, M, and R don't turn up very often. Varicella is on the way out. This is because vaccination for these diseases works. I'd get these, but up to you.

My concern with vaccinating kids is getting lots of shots at the same time. If I could do it over, I'd spread them out so their little immune systems learn 1 antigen at a time.