If your child is not vaccinated, they should be barred from attending public school

[Pannonian]

Vaccines have inarguably been beneficial to humanity. Nutritional advancements have arguably contributed to the reduction of child mortality to a much greater extent than vaccines, however.

QE1 nearly died from a disease that has now been eradicated from the wild thanks to vaccination programmes. Said disease is probably the biggest killer in history. And that's just one of a number of lethal diseases that vaccination treats.