Hep B is a lifestyle vaccine, so agreed.
My son got Pertussis when he was, I forget, 8-10 years old. It was really uncomfortable. If I recall correctly, there was a lingering pneumonia, but he recovered completely.
Thank you for the other observations. I always thought that it’s better to let the kid get bigger before you start hammering him with these insults, regardless of which you choose. However , if you delay “too much” or are inconsistent , many peds. will drop you. Most expect obedience.