By Elizabeth Cohen
CNN Medical Correspondent
ATLANTA, Georgia (CNN) — Five years ago, Kathye Petters-Armitage’s first child received the exact vaccinations on the exact schedule recommended by her pediatrician.
Hannah Polling’s autism was found to be “significantly aggravated” by her childhood vaccines.
But when she gave birth to her second child, Petters-Armitage had a change of heart.
In the intervening two years, she’d read a lot about concerns that vaccines cause autism and decided to ask her pediatrician to give her new baby fewer shots spread out over a longer period of time.