Stop Blaming Autism on Vaccines Already!


I recently read an article in the Washington Post discussing how Republican frontrunner Donald Trump still believes that vaccinations are to blame for autism in children. Why this is even a topic of his campaign I am not sure, but it is and that is a fact.  And, at the rate the media has been prospering from his strong personality (including his popular Twitter feed), this common misbelief is going to be even harder to eradicate. Politics are like religion, and therefore, so can be science.

The Lancet is one of the oldest and most highly-regarded medical journals. It is both above and among the likes of the BMJ, Cell, Science, Nature, Journal of the American Medical Association (JAMA), Journal of American Physiology (JAP)… all the places researchers dream of being published.  The places where good science goes to thrive. Except for instances like… this.

Wakefield Lancet Article 1998One article started it all.  In 1998, a gastroenterologist named Andrew Wakefield published a now-famed study in The Lancet, claiming measles, mumps and rubella (MMR) vaccinations led to the onset of autism and gastrointestinal disorders in his 12 participants.  The average age of the participants was 9 years, and 11 of the 12 children were boys.  The study, Ileal-Lymphoid-Nodular Hyperplasia, Non-Specific Colitis, and Pervasive Developmental Disorder in Children, was written by 13 researchers in total.  Interestingly enough, the original article does state the following, but obviously it got lost in the mix after their conclusions:

“We did not prove an association between measles, mumps, and rubella vaccine and the syndrome described. Virological studies are underway that may help to resolve this issue.”

In 2004, 10 of the 13 authors of the controversial article published a statement in The Lancet (Wakefield was not one of those 10), retracting their original claim and the response of the population that followed:

“We wish to make it clear that in this paper no causal link was established between MMR vaccine and autism as the data were insufficient. However, the possibility of such a link was raised and consequent events have had major implications for public health. In view of this, we consider now is the appropriate time that we should together formally retract the interpretation placed upon these findings in the paper.”

It took an additional 6 years (2010) for The Lancet to finally retract the paper.  Investigations conducted by the likes of Brian Deer and the General Medical Council found ethical and scientific fraud littered throughout the study:

  • Altered and inconsistent patient history and symptomology,
  • Alterations of symptom onset (i.e. from before MMR to after MMR vaccination),
  • Gastroenterological diagnoses that were changed to show disease when none existed in reality,
  • Several of the parents and children recruited for the study were involved in anti-vaccination campaigns with planned external litigation,
  • The basic fact that Wakefield was not a psychiatrist or pediatrician, and,
  • Three of the nine children who were cited as autistic after receiving MMR did not have any diagnosis whatsoever.

In 2011, the BMJ published an editorial additionally discussing the investigation that led to the retraction of Wakefield’s article.

HerdImmunityGenericThe fradulentness of the MMR claim was massive and unexpected enough that the New York Times has their own archive of various articles covering it, and the BMJ can be credited with open pursuit of fixing the misbeliefs that resulted from the bad science.  Not only did the original “findings” have celebrity endorsement,  it fueled parents to retaliate against many different vaccinations for their children (not just MMR), referring publicly to Dr. Wakefield as “a hero.” So, for a journal to come back and say… “Oops…” is a BIG deal. Faith is lost. Belief in science is confused and compromised, and as stated above, people believe what they want as “science” can be synonymous to religion, regardless of fact.

As a result, immunization rates plummeted because of Wakefield’s inaccurate claim.  When vaccination rates in communities fall below ~90%, herd immunity is compromised. (Herd immunity is the establishment of acquired protection from a disease based on the high immunity rates among a community or population). Unvaccinated people who would typically be protected by the community become susceptible, and the disease is able to spread.  This has major and dangerous implications for public health.

Vaccines do not cause autism.

autism speaks logoAutismspeaks.org is the world’s leading autism advocacy and science organization.  As of March 2015, their vaccination policy states simply this:  “Over the last two decades, extensive research has asked whether there is any link between childhood vaccinations and autism. The results of this research are clear: Vaccines do not cause autism.”

A blog article on Just the Vax lists 107 studies that conclude no relationship between vaccination and autism. (I am impressed by the tenacity of the author to compile all of this!)  The studies have been published in highly-regarded, peer-reviewed medical journals, to include Pediatrics, the Journal of American Pharmacist’s Association, Journal of the American Medical Association (JAMA), Annals of Pharmacotherapy, and the BMJ.

A meta-analysis, conducted at the University of Sydney in Australia (an internationally recognized institution and the “Harvard of Australia,” if you will), looked at more than 1.2 million children, concluding that there is no link between autism and vaccination.  1.2 million children.

Wakefield’s singular and ethically fraudulent study consisted of 12 children. Yet, what do people still choose to believe?

References:

Andrew wakefield. New york times. Retrieved from http://www.nytimes.com/topic/person/andrew-wakefield

Community immunity (“herd immunity”). (2016). US department of health and human services. Retrieved from http://www.vaccines.gov/basics/protection/

Deer, B. (2011). How the case against the MMR vaccine was fixed. BMJ342.

Godlee, F., Smith, J., & Marcovitch, H. (2011). Wakefield’s article linking MMR vaccine and autism was fraudulent. BMJ, 342, c7452.

Loving, Sarah. (2016). Herd immunity (community immunity). Oxford vaccine group. Retrieved from  http://www.ovg.ox.ac.uk/herd-immunity

New meta analysis confirms: No association between vaccines and autism. (2014, May 19). Retrieved from https://www.autismspeaks.org/science/science-news/new-meta-analysis-confirms-no-association-between-vaccines-and-autism

Wakefield, A. J., Murch, S. H., Anthony, A., Linnell, J., Casson, D. M., Malik, M., … & Valentine, A. (1998). RETRACTED: Ileal-lymphoid-nodular hyperplasia, non-specific colitis, and pervasive developmental disorder in children. The Lancet, 351(9103), 637-641.

75 studies that show no link between vaccine and autism updated to 107. (2014, Mar). Retrieved from http://justthevax.blogspot.com/2014/03/75-studies-that-show-no-link-between.html

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