Large Study Finds - Once Again - that Vaccines Do Not Cause Autism

Henrietta Brewer
March 6, 2019

The largest study so far into vaccines and autism has concluded there is no link, even in children who have a higher risk of developing the disorder. "The dangers of not vaccinating includes a resurgence in measles which we are seeing signs of today in the form of outbreaks".

"The study strongly supports that MMR vaccination does not increase the risk for autism, does not trigger autism in susceptible children and is not associated with clustering of autism cases after vaccination", authors said in the journal.

Assertions that there was a connection between autism and the MMR vaccine led to an increase in parents choosing not to vaccinate their children against diseases such as measles during the 2000s.

"In a study of more than 650 000 Danish children, there was no difference in the risk of autism in vaccinated and unvaccinated children", said lead researcher Anders Hviid.

Since Wakefield's fraudulent study was released, there have been over 140 peer-reviewed articles, published in relatively high impact factor or specialized journals that document the lack of a correlation between autism and vaccines.


"The idea that vaccines cause autism is still around despite our original and other well-conducted studies", Hviid wrote in an email.

Examining 5,025,754 person-years of follow-up data, the researchers found 6,517 children that were diagnosed with autism.

Carried out by researchers at the Statens Serum Institut, Denmark, the new study looked at 657,461 children born to Danish mothers in Denmark from 1999 through 31 December 2010 to investigate whether the MMR vaccine increases the risk for autism in children or in various subgroups of children, or clusters of autism cases after vaccination.

"Over 20 years have passed since the publication of a controversial Lancet paper that turned a number of parents around the world against the MMR vaccine due to an implied link with autism", says Dr Hannah Kirk from the Monash Institute of Cognitive and Clinical Neurosciences.

Measles can be avoided through vaccination, and 90 percent of Danish kids are every year, but in other nations fewer people are being vaccinated and the trajectory is on a downward spiral.


At least 206 US cases of measles have been recorded in 2019, after 372 cases in 2018, according to the US Centers for Disease Control and Prevention.

In 2018, there was an nearly 50 percent increase in worldwide measles cases and approximately 136,000 deaths.

While most survive without any consequences, 1 in 15 go on to get middle-ear infections, 1 in 25 pneumonia and 1 in 2,500 encephalitis.

There's strong new evidence that a common childhood vaccine is safe.


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