Autism Spectrum Disorder (ASD) FAQs
Do vaccines cause autism spectrum disorders (ASDs)?
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Many studies that have looked at whether there is a relationship between vaccines and autism spectrum disorders (ASDs). To date, the studies continue to show that vaccines are not associated with ASDs.
However, CDC knows that some parents and others still have concerns. To address these concerns, CDC is part of the Inter-Agency Autism Coordinating Committee (IACC), which is working with the National Vaccine Advisory Committee (NVAC) on this issue. The job of the NVAC is to advise and make recommendations regarding the National Vaccine Program. Communication between the IACC and NVAC will allow each group to share skills and knowledge, improve coordination, and promote better use of research resources on vaccine topics.
Is there an ASD epidemic?
More people than ever before are being diagnosed with an ASD. It is unclear exactly how much of this increase is due to a broader definition of ASDs and better efforts in diagnosis. However, a true increase in the number of people with an ASD cannot be ruled out. We believe the increase in the diagnosis of ASDs is likely due to a combination of these factors.
CDC is working with partners to study the prevalence of ASDs over time, so that we can find out if the number of children with these disorders is rising, dropping, or staying the same.
We do know that ASDs are more common than we thought before and should be considered an urgent public health concern.
There is still a lot to learn about ASDs. In addition, increased concern in the communities, continued demand for services, and reports estimating a prevalence of about 1 percent show the need for a coordinated and serious national response to improve the lives of people with ASDs.
Reviewed on 7/20/2011
Viewers share their comments
Autism Spectrum Disorders - Vaccines Question: Discuss your concern with vaccines and ASDs.
Autism Spectrum Disorders - Adult Diagnosis Question: Do you know an adult who was diagnosed with an ASD? Please share your experience.
Autism Spectrum Disorders - Special Education Question: Briefly, please discuss the special education program for ASDs in your school district or region.
Autism Spectrum Disorders - Mitochondrial Diseases Question: If you have a child with an ASD, has he or she been diagnosed with a mitochondrial disease?
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