Cancer patients who had been healthy and stable for many years suddenly began to suffer relapses after receiving COVID vaccine booster doses. This is claimed by British cancer professor Angus Dalgleish, who is now calling for a serious investigation into the potential link. Together with cardiologist Aseem Malhotra, he recently warned U.S. senators about what they describe as a signal that can no longer be ignored.

Two of Britain’s most prominent doctors in their respective fields have now gone public with an appeal to investigate a possible connection between COVID vaccine booster doses and recurring cancer.

During a U.S. Senate hearing, cancer professor Angus Dalgleish and cardiologist Aseem Malhotra presented data which they claim raise serious questions about the vaccines’ long-term effects on the immune system. Dalgleish’s own clinical observations have drawn particular attention.

– I began to notice that people who had been stable with their cancer for several years started to relapse in early 2022, he told GB News after the hearing.

According to Dalgleish, this included patients with melanoma who had been free from disease progression for a long time but then suddenly worsened.

– When I started looking into why this could have happened, I discovered that they had all received booster doses, he said.

“A Red Warning Flag”

Dalgleish argues that the observations were so striking that they could not be dismissed as random. He refers to research which, according to him, indicates that repeated vaccine doses can affect T-cell function—a central part of the immune system’s ability to identify and attack both infections and cancer cells.

– If the immune system is keeping a cancer in check and that control is weakened, there is reason to suspect that the disease may flare up again, he said.

He also cited a study from Madrid which reported signs of so-called T-cell exhaustion in cancer patients after a third vaccine dose. Additionally, Dalgleish mentioned that surgeons had reported unusually aggressive cases of colorectal cancer in younger patients.

– They saw patients arriving late in the course of the disease who were difficult to treat. Again, it was noted that all had received booster doses. That became yet another red warning flag, he said.

Pointing to Japanese Data

Beyond clinical observations, Dalgleish highlighted epidemiological data from Japan. According to him, these analyses show that the number of new cancer cases increased in line with the number of administered booster doses.

– The strongest support comes from epidemiological studies. Researchers saw that the number of new cancer cases rose with every additional booster vaccination, he said.

READ ALSO: COVID vaccine in new controversy—may be behind tens of thousands of deaths

However, he emphasized that such observations alone cannot prove a causal link, but argues that they are worrying enough to justify extensive further research.

From Vaccine Advocate to Critic

Aseem Malhotra has become one of the most prominent critics of the vaccination strategies during the pandemic. Remarkably, he was originally a strong proponent of vaccination.

– As a doctor, you must be prepared to change your view when the evidence changes. That is what good science is about, he said.

Image: Region Stockholm.

Malhotra pointed out that the current discussion is not about asserting that vaccines cause cancer.

– We are not saying that we have the definitive answer. But there are prominent researchers and oncologists who believe that there is a signal that must be taken seriously. We need to be able to have that discussion, he said.

Acknowledgment: The Vaccines May Have Helped the Most Vulnerable

At the same time, Malhotra made an admission rarely heard from the sharpest vaccine critics. He believes there is an argument that the vaccines, during the initial phase of the pandemic, may have had a positive effect on the most vulnerable groups.

– There is a reasonable argument that the benefits outweighed the risks for a limited period for high-risk groups, especially people over 70, he said.

READ ALSO: Stanford study: How myocarditis may arise after COVID vaccine

However, he questions whether the same benefit can be shown for the general population, especially after repeated booster campaigns. He also claims that the vaccine’s initial promise of stopping transmission was not fulfilled and that arguments gradually shifted to focus instead on reducing the risk of severe illness.

Calls for Open Debate

Both Dalgleish and Malhotra believe that medical authorities and decision-makers have been too reluctant to discuss possible negative effects of the vaccines. Malhotra argues that trust in healthcare has been damaged by the lack of open discussion about vaccine injuries or uncertainties.

– We need a complete, open, and transparent discussion about both benefits and potential risks. Without that, trust will not be restored, he said.

Criticism from the Establishment

The conclusions drawn by the two doctors are, however, controversial. Medical authorities, vaccine manufacturers, and many researchers emphasize that there is still no scientifically proven link between COVID vaccination and cancer. They also refer to research showing that the vaccines contributed to reducing hospital admissions and deaths during the pandemic.

Even after the Senate hearing, therefore, two perspectives stand in opposition—the established view that vaccines were a crucial public health measure and the growing calls from some researchers that possible long-term risks should be examined much more thoroughly.

READ ALSO: British newspaper: Government suppressing figures that may link COVID vaccines to excess mortality

But for Angus Dalgleish, the issue is already too important to dismiss. The recurring cancer cases among previously stable patients were, according to him, the first signal. The question he now wants answered is whether that signal points to a real connection—or something else entirely.

Watch a recent interview with both experts on GB News.