Earlier this month, oncologist Dr. Wafik El-Deiry testified at a hearing of the US Senate’s Permanent Subcommittee on Investigations.
As part of his work for the HHS Advisory Committee on Immunisation Practices, Dr. El-Deiry investigated the relationship between cancer and covid infection and covid vaccines.
He found nearly 70 papers describing over 300 reported cancer cases from 27 countries following covid mRNA vaccine injections, with cancers occurring at the injection sites. “In some reported cases, spike protein was identified within tumour tissue,” he said. “There should be no spike in tumours.”
He published his findings on PubPeer. Instead of raising curiosity as to the link between covid injections and cancers, his findings resulted in attacks on his publications and reputation.
“There are many open questions, including who is at greatest risk from these vaccines, and there shouldn’t be fear of reputational destruction, institutional retaliation or professional ruin,” he said.
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On 3 June, US Senator Ron Johnson, Chairman of the Permanent Subcommittee on Investigations, convened a hearing titled ‘Plausible Mechanisms of covid-19 Injections Causing Cancer and Attacks on Scientific Publications’ during which the Subcommittee heard testimonies from seven witnesses:
- Angus Dalgleish, MD, Professor Emeritus of Oncology; City St. George’s, University of London
- Wafik El-Deiry, MD, PHD, Director, Legorreta Cancer Centre, Brown University
- Saskia Mostert, MD, PHD.
- Sabine Hazan, MD, Chief Executive Officer, ProgenaBiome
- Aseem Malhorta, MD, Consultant Cardiologist, HUM2N Clinic, London
- Julie Gralow, MD, Chief Medical Officer, American Society of Clinical Oncology
- Tamika Felder, cancer survivor
You can watch the full hearing on Senator Johnson’s Twitter (now X) or Rumble profile and the Subcommittee’s website. The following is Dr. Wafik El-Deiry’s testimony.
Below is a transcript of the video. You can find Dr. El-Deiry’s written testimony submitted to the Permanent Subcommittee on Investigations HERE.
Transcript
[Intro] Dr. Wafik El-Deiry (“WED”): I therefore looked into everything we know about cancer and covid infection and covid vaccination, and by the fall found nearly 70 papers describing more than 300 reported cancer cases from 27 countries following one or more covid mRNA vaccine injections. The reported cancers occurred near injection sites, like sarcomas or lymphomas right at the injection site within the head and neck region and elsewhere, including, as Dr. Dalgleish mentioned, brain tumours and other tumours. In some reported cases, spike protein was identified within tumour tissue.
Senator Ron Johnson (“RJ”): Our next witness is Dr. Wafik El-Deiry. Dr. El-Deiry is a practising physician scientist, American Cancer Society professor, founding director of the Cancer Centre at Brown University and chair of the Worldwide Innovative Network Consortium in Precision Oncology. He discovered a tumour suppressant gene he named WAF1, and a first-of-its-kind drug approved by the FDA last year for the treatment of an aggressive brain cancer.
Dr. El-Deiry.
WED: Thank you, Senator Johnson, Senator Blumenthal and distinguished committee members for the opportunity to speak at this important hearing.
I am a physician scientist and cancer researcher with more than 30 years of experience studying how our body normally fights cancer through a major tumour suppressor called P53 and finding new ways of treating it. I’ve also advocated on Capitol Hill since 2005 for support of research funding, which is really vital.
My work has focused on how cancers develop when these normal tumour suppressor mechanisms fail, including discoveries involving how tumour suppressors work, and this has become foundational in cancer biology and oncology research. I’ve also studied how viruses and other biological processes can disrupt our defences against cancer.
So, when the covid pandemic began, I wanted to help by applying our expertise in cancer biology, immunology and approved treatments to better understand and treat covid.
It’s been long understood that certain viruses contribute to cancer development by disrupting tumour suppressor pathways, including P53, one of the body’s most important cancer protective mechanisms. Early in the pandemic, I became concerned that the covid virus might similarly interfere with these defence mechanisms, making this an important area for scientific investigation.
Early in the pandemic, I also expressed uncertainty on social media about the natural origin of the covid virus, and this is when I first started to experience repercussions of speaking out against the mainstream narrative. What I didn’t expect were the attacks on science itself.
By July 2020, my laboratory published findings showing that a class of cancer drugs known as MEK inhibitors suppressed ACE2, the cell surface receptor the covid virus uses to infect human cells.
By April of 2024, we reported findings suggesting that the spike protein associated with covid infection or covid vaccination could reduce the ability of P53 to activate genes involved in suppressing cancer.
Based on these findings, we emphasise that effective vaccines against viruses such as covid should strengthen immunity against infection without interfering with the body’s natural defences against cancer.
These concerns were raised through normal scientific channels, yet the response was not open scientific engagement but escalating attacks. Instead of contributing to scientific dialogue, the findings triggered attacks on both the research and the researchers involved.
Much of this occurred through an online platform known as PubPeer, originally created about a decade ago to identify fraud and scientific misconduct. Unfortunately, the platform increasingly became weaponised against researchers whose findings challenged prevailing narratives.
The platform permits anonymous accusations without meaningful accountability. There’s no disclosure of conflicts of interest, no statute of limitations or citizenship requirements; these attacks are public, amplified through social media and can continue indefinitely, regardless of whether wrongdoing is ever established.
This is precisely what happened to us.
Although we corrected minor errors where appropriate and continue to do so, none altered the underlying results or conclusions of our work. Nevertheless, our publications became the subject of sustained public attacks that damaged reputation and undermined scientific credibility.
Despite these ongoing attacks, last summer I agreed to serve on an HHS Committee on Immunisation Practices working group on covid immunisations as an expert. I therefore looked into everything we know about cancer and covid infection and covid vaccination.
And by the fall, found nearly 70 papers describing more than 300 reported cancer cases from 27 countries following one or more covid mRNA vaccine injections. The reported cancers occurred near injection sites, like sarcomas or lymphomas right at the injection site, within the head and neck region and elsewhere, including, as Dr. Dalgleish mentioned, brain tumours and other tumours. In some reported cases, spike protein was identified within tumour tissue.
Our findings were published in January of this year. And shortly afterwards, I was contacted directly by former Japanese Minister Kazuhiro Haraguchi, who reported developing a diffuse large B-cell lymphoma that later metastasised to his tonsil and [through] biopsy, then they found spike protein. There should be no spike in tumours.
These observations warrant serious scientific investigation. And as such, a number of unexpected observations have been made with the covid mRNA vaccines that suggest potentially plausible mechanisms and connections to cancer.
The attacks on my publications intensified and continue to the present day despite no findings of fraud, misconduct or wrongdoing after years of investigation.
I am for vaccines that are safe and effective. Both our paper and the journal itself became targets of attacks through peer and related online campaigns. I remain in effect guilty until proven innocent.
Patients deserve informed consent. Scientists deserve the freedom to investigate legitimate scientific concerns. There are many open questions, including who is at greatest risk from these vaccines, and there shouldn’t be fear of reputational destruction, institutional retaliation or professional ruin.
PubPeer needs to be held accountable for making false accusations against physicians and scientists that destroy reputations and careers.
Thank you.
Related:
- Exposing the Scale of Attacks on PubPeer by Two Key Perpetrators of the PubPeer Network, Science Guardians, 11 April 2025
- Follow-up: The PubPeer Network Mob – Inside the Mechanism of a Coordinated Academic Smear Operation, Science Guardians, 15 June 2025
- World Renowned Legendary Oncologist Dr Wafik El-Deiry Slams Pharma’s Coordinated Attacks After Spike Protein-Cancer Link, Calls on FBI and Homeland Security to Act, Aussie17, 30 August 2025
- A Top Brown University Cancer Researcher Published His Findings on Covid Vaccines. Then Came the Attacks, The MAHA Report, 18 March 2026
- Kuperwasser C, El-Deiry WS. COVID vaccination and post-infection cancer signals: Evaluating patterns and potential biological mechanisms. Oncotarget. 2026 Jan 3;17:1-29. doi: 10.18632/oncotarget.28824. PMID: 41498242; PMCID: PMC12893478
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