Antivaccine nonsense Autism Complementary and alternative medicine Medicine Skepticism/critical thinking

When antivaccination pseudoscience turns threatening…

While I’m back on the topic of vaccines again (and that topic seems to me less and less rancorous these days, not because antivaccination “activists” have gotten any less loony but because the smoking cranks, at least the ones showing up on my blog these days, threaten to make antivaccinationists seem low key by comparison), it turns out that one of the premiere journals of medical research, Nature Medicine, has weighed in on the topic. If you want any more evidence that the antivaccination movement is becoming more and more like the radical animal rights movement in its willingness to try to intimidate scientists who speak out against them or publish research findings refuting a link between vaccines and autism, this overview ought to give you something to think about. It’s also apparent in their increasingly shrill rhetoric and the scientific beating the hypothesis that vaccines cause or contribute to autism, either by themselves or through the thimerosal preservative that was removed from most U.S. vaccines in 2002 has taken in the Autism Omnibus hearings.

It’s good to see such a high profile journal as Nature Medicine take note, as it does in Mercury rising. Here, the harassment directed at Paul Offit, one of the premiere vaccine scientists in the world and public enemy number one among the antivax crowd:

In June 2006, on the first day of the summer meeting of the Advisory Committee on Immunization Practices, more than 100 protesters crowded the sidewalks outside the US Centers for Disease Control and Prevention (CDC) in Atlanta.

Organized by a nonprofit called Moms Against Mercury, the mob was made up mostly of people who believe that thimerosal–a mercury-based vaccine preservative–is responsible for the dramatic rise in autism over the past two decades.

As Paul Offit, a vaccine expert who served on the committee, tried to make his way through the crowd, one of the protestors screamed at him through a megaphone: “The devil–it’s the devil!” One protester held a sign that read “TERRORIST” with a photo of Offit’s face. Just before Offit reached the door, a man dressed in a prison uniform grabbed Offit’s jacket. “It was harrowing,” Offit recalls.

This, however, is mild compared to some of the other harassment that Dr. Offit routinely encounters these days:

Offit has been a prime target of these groups for years. In 1996, after he published his first book on vaccines, he received a few negative emails and letters. But by 1999, when the controversy over thimerosal reached its peak, the harassment had “entered a darker place,” he says.

He has since received hundreds of malicious and threatening emails, letters and phone calls accusing him of poisoning children and “selling out” to pharmaceutical companies. One phone caller listed the names of Offit’s two young children and the name of their school. One email contained a death threat–“I will hang you by your neck until you’re dead”–that Offit reported to federal investigators. And he is just one of the many scientists who refute the vaccine-autism link to endure this harassment.

“Scientists have been vilified,” says Kevin Leitch, an English blogger who once believed that vaccines caused his child’s autism and who now runs a blog, Left Brain/Right Brain, that focuses on “autism-related quackery.”

Given that Dr. Offit is an outspoken advocate of vaccination and is willing to speak out against antivaccinationists and religious and philosophical exemptions to vaccination, pointing out that states with easy-to-obtain religious or philosophical exemptions to vaccination have had a decrease in vaccination rates and an increase in vaccine-preventable diseases, it’s not surprising that he is such a target.

Does this modus operandi sound familiar? It should. It’s very similar to the tactics that animal rights activists use against scientists doing animal research. I also see it as a sign of increasing desperation. As the article makes quite clear in a nice, succinct fashion, there really is no evidence to support a link between thimerosal in vaccines and autism or vaccines and autism, except that now animal rights extremists are becoming more and more willing to use terror tactics to make their point, but more importantly to their purpose to intimidate scientists into giving up animal rights research. So far, antivaccinationists have not, as far as I am aware, resorted to violence. But with the increasingly heated rhetoric, one always has to worry about whether violence will be next.

That’s where the Autism Omnibus comes in. As the article points out, if the parents win a judgment, which will necessarily be based on pseudoscience and highly dubious arguments of causation, given how poor quality the testimony and data presented to support a hypothesis of vaccines causing autism and how thoroughly it has been refuted thus far, the Vaccine Injury Compensation Program (VCIP) could go bankrupt, because the verdict of the Cedillo test case would form the template for many of the 4,800 cases before the special masters. However, if the Cedillos lose, which, no matter how sad their case and sick their daughter, is what should happen based solely on the scientific evidence, because no evidence was presented to demonstrate that vaccines caused their child’s condition, there is fear that the “Mercurys” would be inflamed even more than they are now:

But researchers also worry about what will happen if the Cedillos don’t win. Anesthesiologist Jim Laidler, who a few years ago was “neck-deep” in alternative autism therapy for his two autistic children, has since turned to mainstream scientists’ side. In 2005, after publishing a statistical paper in Pediatrics that rebuffed the idea of an autism ‘epidemic’, he received about 30 emails and a dozen hostile phone calls from the Mercurys, one of which he reported to the police.

“This stuff is frighteningly violent,” Laidler says. “With the Omnibus trial looking like [the Cedillos] are going to go down in flames, I would be appalled, but not surprised, to hear that some act of violence was carried out.”

This increasing hysteria is a strong indication of just how non-reality-based the mercury militia is. When I first heard about the contention by some that mercury in vaccines causes autism a few years ago, I thought it sounded like a dubious hypothesis, given that mercury poisoning symptoms do not resemble those of autism, but I considered it as possible, but unlikely. By the time of David Kirby’s mendacious masterpiece of misinformation, Evidence of Harm: Mercury in Vaccines and the Autism Epidemic, A medical Controversy and Robert F. Kennedy, Jr.’s conspiracy-mongering article, I had pretty much come to the conclusion that the scientific evidence didn’t support a link between vaccines and autism, which is a view that has only been strengthened as more and more studies have been published failing to find a link. Indeed, a careful reading of my posts over the years reveals that I used to use a lot more weasel words of uncertainty and refer to the mercury-autism hypothesis as possible but unlikely. Since then, as the evidence against the mercury-autism hypothesis has solidified, so has my language, which has evolved to include more concrete and emphatic denials of mercury militia and antivaccination nonsense with regards to the purported role of vaccines in causing autism.

The mercury militia has become, in essence a religion. Like a religion, its members have developed a self-contained belief system, namely that mercury in vaccines causes autism and thus that their children are “victims” of vaccines who are “vaccine injured”; that the government, in cahoots with big pharma, has covered it up through the CDC; that scientists are in on the conspiracy because of a fanatical belief in vaccination; and that chelation therapy, along with a lot of other quackery that goes under the rubric of “biomedical treatments” can reverse the “vaccine damage.” They are mutually self-supporting. Like pseudosciences inspired by other religions, namely creationism and its “intelligent design” variant, they churn out poor quality papers chock full of bad science to “support” their beliefs, for example, the “science” produced by drivel produced in abundance by Geier père et fils and, most recently the dubious telephone survey by Generation Rescue mentioned in the Nature Medicine news article.

And the mercury militia reacts in much the same way as cults react when their core beliefs are challenged. At the very least, the letters provoked by this article will be interesting, given that Nature Medicine links to the Generation Rescue website, which is like waving a cape in front of a bull.

By Orac

Orac is the nom de blog of a humble surgeon/scientist who has an ego just big enough to delude himself that someone, somewhere might actually give a rodent's posterior about his copious verbal meanderings, but just barely small enough to admit to himself that few probably will. That surgeon is otherwise known as David Gorski.

That this particular surgeon has chosen his nom de blog based on a rather cranky and arrogant computer shaped like a clear box of blinking lights that he originally encountered when he became a fan of a 35 year old British SF television show whose special effects were renowned for their BBC/Doctor Who-style low budget look, but whose stories nonetheless resulted in some of the best, most innovative science fiction ever televised, should tell you nearly all that you need to know about Orac. (That, and the length of the preceding sentence.)

DISCLAIMER:: The various written meanderings here are the opinions of Orac and Orac alone, written on his own time. They should never be construed as representing the opinions of any other person or entity, especially Orac's cancer center, department of surgery, medical school, or university. Also note that Orac is nonpartisan; he is more than willing to criticize the statements of anyone, regardless of of political leanings, if that anyone advocates pseudoscience or quackery. Finally, medical commentary is not to be construed in any way as medical advice.

To contact Orac: [email protected]

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