In The Politics of Autism, I analyze the myth that vaccines cause autism. This bogus idea can hurt people by allowing diseases to spread. Examples include measles, COVID, flu, and polio.
Antivaxxer Del Bigtree -- a key ally of RFK Jr. -- thinks that's okay.
Bigtree makes two core claims about vaccination, both of which are demonstrably false. The first is one that other anti-vaxxers, including Kennedy, have been making for decades: that the apparent rise in autism cases in the U.S. since the 1990s can be blamed on immunizations, rather than, as is the consensus among experts, largely on broader diagnostic criteria and better surveillance. Bigtree believes that the dozens of studies that have found no evidence of a connection between autism and vaccines are flawed, and that immunizations have never been properly tested for safety. “Why can’t we find a double-blind placebo trial in any of the childhood vaccines?” he asked me. In fact, many early versions of vaccines, like ones for polio and measles, were tested against unvaccinated groups or a placebo. (Bigtree and others in the anti-vaccine movement object to trials that didn’t use a saline-only placebo, or weren’t double-blind.) New vaccines, however, are usually compared with older vaccines because it’s considered unethical, not to mention unwise, to put children at risk of contracting a vaccine-preventable disease.
That brings us to Bigtree’s second, arguably more outrageous claim: Vaccine-preventable illnesses simply aren’t so bad. He wants children, including his own, to get infected so that they can avoid the dangers of vaccination and develop more robust immunity. They will have, as he put it, the “Ferrari of immunity,” while the rest of us will be driving around in Ford Pintos. He told me he would prefer to live in an entirely unvaccinated country, one where the diseases that sickened millions in the first half of the 20th century could spread freely. That’s a frankly ridiculous notion, as I told him later. But Bigtree is committed to it. “I genuinely am upset that your kids are vaccinated, because it’s keeping my kids from getting chickenpox. It’s keeping my kids from getting measles,” he told me. “I believe their health depends on them catching those live viruses.” I asked him if he wanted his kids to catch all of the illnesses against which American children are routinely vaccinated. “Yes,” he said.
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After getting to know Bigtree and watching his show, I’m not sure that the label fully captures his philosophy. He’s more than anti-vaccine: He’s pro-infection. And even though Kennedy hasn’t come out so strongly on the side of diseases since becoming health secretary, he has done so previously, suggesting, for example, that contracting measles could bolster the immune system later in life. Bigtree, for one, thinks his former boss shares his views. Kennedy “recognizes the same thing I do,” he told me. “We would be healthier if we were catching these illnesses.”
