The American Academy of Pediatrics has provided several new resources to help answer parents' questions about immunization. Below are links to a one-page fact sheet on vaccine safety (available in English and Spanish) and a back-and-front parent handout.
Facts for Parents About Vaccine Safety: http://www.cispimmunize.org/fam/facts/VaccineSafety_English.doc
Vaccine Safety~The Facts: http://www.cispimmunize.org/pro/pdf/VaccineSafety_parenthandout.pdf
These documents have been reviewed for scientific accuracy by the AAP Committee on Infectious Diseases.