There was a school in CA some years back and all the girls that were vax for Whooping Cough caught and those not vaccinated did not catch it. That would prove your case to not have the vax. I am sure you can find case was in the news.
Here is the article about vax girls getting it not unvaccinated girls. https://www.cbsnews.com/losangeles/news/whooping-cough-harvard-westlake/