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Saturday, April 18, 2026

He pushed hydroxychloroquine three years ago: Harvey Risch and ... - Science Based Medicine

Over the last month or two, I noticed that an antivax claim about COVID-19 vaccines from last year had made a reappearance on social media in a big way. I’m referring to the false claim that COVID-19 vaccines cause what antivaxxers last year termed “turbo cancer.” It’s a term that antivaxxers have never really defined other than vaguely, but it is scary sounding. It seems to mean cancers that are either far more aggressive than the average cancer of the same type being seen in younger people than usual. Alternatively, it means the rapid recurrence of a successfully treated cancer previously in remission. Whatever antivaxxers mean by “turbo cancer,” they know it’s bad, and they “know” that COVID-19 vaccines are causing it. The claim that COVID-19 vaccines cause cancer appeared very soon after the vaccines rolled out, starting with the misrepresentation of old in vitro studies and of a Department of Defense database, and then later progressed to doing incredible contortions of science and reason, in essence twisting them into pretzels, to blame SV40 promoter sequences in “DNA contamination” of the mRNA vaccines, an echo of very old antivax claims that SV40 virus in polio vaccines in the early 1960s had led to a wave of cancer decades later.

Of course, there was a problem with all these narratives, besides the fact that there was no good evidence that any of the claims oncologists were seeing a wave of aggressive untreatable cancers in young people starting after COVID-19...



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