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Immunization Action Coalition

Vaccine Concerns


What is Thimerosal? Experts Review the Evidence Journal Articles
Official Statements Resources


Immunization Action Coalition
Clear Answers & Smart Advice About Your Baby's Shots
Author: Ari Brown, MD, FAAP, is a practicing pediatrician in Austin, TX. Dr. Ari Brown is an official spokesperson for the American Academy of Pediatrics and trusted source for child health and development.
Evidence shows vaccines unrelated to autism
This piece summarizes scientific evidence that refutes any vaccine/autism link and presents some of the current thinking on the causes of autism
Need help responding to vaccine-hesitant parents? Science-based materials are available from these respected organizations.
This piece gives a list of science-based materials available to help in responding to vaccine-hesitant parents
Personal belief exemptions for vaccination put people at risk. Examine the evidence for yourself.
Evidence from the medical literature that personal belief exemptions play a role in vaccine-preventable disease outbreaks; includes citations, summaries, key findings, and links to abstracts
Vaccines in the News: Thimerosal
Media coverage about vaccines and VPDs
American Academy of Pediatrics
Facts for Parents about Autism and Vaccine Safety
March 2008
Centers for Disease Control and Prevention
Frequently Asked Questions About Thimerosal (Ethylmercury)
CDC statement on thimerosal and autism, includes references and related links
Infant and Environmental Exposures to Thimerosal and Neuropsychological Outcomes at Ages 7 to 10 Years
Overview of CDC cohort study
Immunization Safety and Autism: Thimerosal and Autism Research Agenda
Table: CDC studies on vaccines and ASDs
Thimerosal: Timeline
Source: Centers for Disease Control and Prevention
Every Child by Two
Omnibus Autism Proceedings
Overview of proceedings, with links to related articles and documents
Video FAQs
In these short video clips, experts cover the following topics areas: Why Vaccinate, Why Follow the Recommended Immunization Schedule, Vaccine Testing, Ingredients & Safety, and Vaccines and Autism
Food and Drug Administration
Thimerosal in Vaccines
Technical background on safety data, includes tables listing historical data on vaccines and thimerosal content
Thimerosal in Vaccines: Questions and Answers
Q&As from the FDA
FDA response to thimerosal petition
National Institutes of Health
Thimerosal in Vaccines
NIAID fact sheet on thimerosal
National Network for Immunization Information
Immunization Science: Mercury in Vaccines
NNii's up-to-date information on immunization science
Statistical Assessment Service (STATS) at George Mason University
What Is the Difference Between Causation and Correlation?
Vaccine Education Center of the Children’s Hospital of Philadelphia
Hot Topics: Thimerosal
Provides an overview of the issues, differences between methylmercury and thimerosal, and current research findings on what does cause autism
Vaccines and Autism: What you should know
Deals with three main concerns: the MMR vaccine, thimerosal, and the idea that babies receive too many vaccines too soon Spanish-language version
Thimerosal: What you should know
Discusses thimerosal, different types of mercury, evidence that mercury doesn't cause autism, and what is known about the causes of autism
Spanish-language version
Autism's False Prophets: Bad Science, Risky Medicine, and the Search for a Cure
Author: Paul A. Offit, MD (Columbia University Press, 2008: 328 pages)
Editorial: Death of an Autistic Child from Chelation Therapy
Author: Paul A. Offit, MD
Institute for Vaccine Safety
Table: Thimerosal Content in Some US Licensed Vaccines
This page was reviewed on February 25, 2011
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This website is supported in part by a cooperative agreement from the National Center for Immunization and Respiratory Diseases (Grant No. 5U38IP000290) at the Centers for Disease Control and Prevention (CDC) in Atlanta, GA. The website content is the sole responsibility of IAC and does not necessarily represent the official views of CDC.