"I want the anti-vaxxers to see that knowingly exposing your child to illness is cruel. ...
If you think your child’s immune system is strong enough to fight off vaccine-preventable diseases, then it’s strong enough to fight off the tiny amounts of dead or weakened pathogens present in any of the vaccines.
And from before:
I understand, to a point, where the anti-vaccine parents are coming from. Back in the ’90s, when I was a concerned, 19-year-old mother, frightened by the world I was bringing my child into, I was studying homeopathy, herbalism, and aromatherapy; I believed in angels, witchcraft, clairvoyants, crop circles, aliens at Nazca, giant ginger mariners spreading their knowledge to the Aztecs, the Incas, and the Egyptians, and that I was somehow personally blessed by the Holy Spirit with healing abilities". (Link at Slate).