Sen Ron Johnson brings doctors to Capitol Hill on plausible COVID-19 vaccine and cancer links

The Wisconsin senator said at the hearing there were over 39,000 deaths worldwide associated with the COVID-19 injection.

Published: June 3, 2026 11:00pm

Republican Sen. Ron Johnson brought medical experts to Capitol Hill on Wednesday for a hearing to explore plausible links between COVID-19 and cancer in which doctors testified about their evidence and the attacks they faced during the pandemic for their claims.

“The large percentage of the public remains unaware of the serious adverse events caused by COVID mRNA injections,” Johnson said during the hearing by the Senate's Permanent Subcommittee on Investigations, of which he is the chairman. 

During the hearing, titled “Plausible Mechanisms of COVID-19 Injections Causing Cancer and Attacks on Scientific Publications," Johnson highlighted whistleblower testimony in April from Dr. Ana Szarfman who said Food and Drug Administration officials relied on a flawed algorithm that “masked” extremely serious adverse events, including sudden death, for the Vaccine Adverse Events Reporting System (VAERS). 

The Wisconsin senator also said there were over 39,000 deaths worldwide associated with the COVID injection.

Connecticut Sen. Richard Blumenthal, the subcommittee's top Democrat, pointed out the National Cancer Institute had concluded “there is no evidence that COVID-19 vaccines cause cancer, lead to recurrence, or lead to disease progression.”

However, medical experts testified that their practices, clinical studies and biopsies found evidence of T-cell suppression, spike proteins associated with tumorous tissues and mechanisms in which the mRNA could insert into the DNA and activate oncogenes (a mutated gene that causes cancer) following vaccination.

Dr. Saskia Mostert testified about her study that found the total number of excess deaths in 47 countries of the Western World was over 3 million from Jan. 1, 2020, to Dec. 31, 2022.

Dr. Wafik El-Deiry, the director of Brown University's Legorreta Cancer Center, said he had found nearly 70 publications for more than 300 reported cancer cases from 27 countries after one or more vaccines, occurring near injection sites. 

Angus Dalgleish, professor emeritus of oncology at St. George’s University of London, similarly said he witnessed a sudden wave of cancer relapses in early 2022 among patients who had been stable for three to 18 years, with the common factor being that they had received the COVID-19 booster vaccine. 

He also noted that fellow physicians had reported a rise in aggressive, colorectal and other cancers presenting in young demographics in their 20s, 30s, and 40s. 

The hearing also centered on how the public was told the vaccine would stay in the arm within 48 hours, then dissolve. 

Dalgleish said liposomal nanoparticles comprising the mRNA vaccine can insert themselves into the center of the cell’s nucleus. 

"It is like herding cats, you cannot tell it where to go, where to insert," he said. 

Sabine Hazan, a doctor and chief executive officer at ProgenaBiome, supported the claim.

“In the microbiome space, you get to see that anything you put on your skin. It has the potential of killing your microbiome,” she said. “Nothing that you inject just stays in that area."

When Johnson asked whether the lipid nanoparticle was deliberately designed to permeate barriers, Hazan replied, “Yes.”

Hazan also testified regarding her clinical research involving stool samples in which she found that hydroxychloroquine and ivermectin helped to treat COVID patients, with ivermectin increasing beneficial gut bacteria like bifidobacteria. However, her peer-reviewed papers on these findings were repeatedly retracted in “politically motivated retractions,” she said.

“Remember if there was early treatment, vaccines would not have passed,” Hazan said.

Julie Gralow, a doctor and chief medical officer at the American Society of Clinical Oncology, reiterated in testimony that there was “no clinical evidence” of mRNA COVID-19 causing cancer.

“RNA breaks down quickly in the body and doesn't enter a person's DNA,” she said.

Gralow also cited a study at MD Anderson Cancer Center, which found that patients with non-small cell lung cancer who received the vaccine, along with immunotherapy had improved cancer outcomes than the unvaccinated. 

“Misinformation and fearmongering about vaccines undermine trust, delay or prevent vaccination, and leave people vulnerable to preventable diseases,” cancer survivor Tamika Felder said in her testimony, decrying vaccine hesitancy, including around the HPV vaccine. 

“We don’t want to dispute the fact that vaccines can be helpful to save lives,” Johnson said in response to a line of questioning by Blumenthal that followed. “I think our concern here is the denial of vaccine injuries.”

Johnson continued by saying that one of the great lies told during COVID” was that the mRNA did not degrade, especially as the COVID mRNA was not “normal” but “modified." 

He also asked whether Dr. Gralow was aware that the “modified mRNA was encapsulated in the lipid nanoparticle".

“I can’t reliably comment," she responded.

“So you’re saying how safe and effective this is. But you don’t know how it works,” Johnson said. 

He also asked what "proof" would be needed to warn the public about the possible dangers of the vaccine, to which Dr. Gralow responded that there could be "boundaries" on the extent of its effects and randomized clinical trials investigating whether COVID vaccines caused cancer.

“I'm trying to address the definitive proof. If that's what's required, we'll never warn the public about possible dangers," said Johnson. 

Dr. Aseem Malhotra, a consultant cardiologist at HUM2N Clinic in London supported Johnson's statement.

“When you make a diagnosis in medicine, you go on the strength of the evidence. It's very difficult to get complete and total proof,” he said, noting that medicine was an evolving field. 

Earlier in the hearing, Malhotra said he los his 73-year-old father to sudden cardiac death after he took two doses of a COVID vaccine and how he himself was diagnosed with an autoimmune condition after being vaccinated. 

Malhotra also said he has been “smeared” and misrepresented in the media for opposing all vaccines after citing Dr. Dalgleish's work. 

“The evidence presented here today exposes the corporate tyranny underlying public health practice,” Malhotra said. “Tyranny emerges when people are afraid to say what they think. To save the health of the American people, and to save democracy, it is our responsibility to expose, resist, and dismantle the era of corporate tyranny we currently find ourselves in."

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