MUST READ: Roald Dahl's 1988 letter debunking anti-vaxxers.
"It really is almost a crime to allow your child to go unimmunized."
Dahl lost his daughter to measles in 1962, before the vaccine was available.
Discussion
Vaccines were (and still are) nearly pointless. The rate of diseases decline significantly once people understood proper hygiene. Here's a great article and many charts discussing exactly how pointless vaccines truly were.
https://www.2ndsmartestguyintheworld.com/p/repost-the-impact-of-vaccines-on