http://www.cdc.gov/vaccinesafety/concerns/autism/
There is no link between vaccines and autism.
Group of kids
Some people have had concerns that ASD might be linked to the vaccines children receive, but studies have shown that there is no link between receiving vaccines and developing ASD. In 2011, an Institute of Medicine (IOM) reportExternal Web Site Icon on eight vaccines given to children and adults found that with rare exceptions, these vaccines are very safe.
Vaccine ingredients do not cause autism. http://cid.oxfordjournals.org/content/48/4/456.full
A worldwide increase in the rate of autism diagnoses—likely driven by broadened diagnostic criteria and increased awareness—has fueled concerns that an environmental exposure like vaccines might cause autism. Theories for this putative association have centered on the measles-mumps-rubella (MMR) vaccine, thimerosal, and the large number of vaccines currently administered. However, both epidemiological and biological studies fail to support these claims.
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