Millions Were Exposed to a Hidden Virus in Childhood Vaccines - Could It Now Be Linked to Cancer?
- Editor Darren Birks
- May 26
- 3 min read

Decades Later, Questions Linger Still Over Contaminated Polio Vaccines and Cancer Risk.
More than 100 million Americans were unknowingly exposed to a potentially cancer-causing virus through polio vaccines administered in the 1950s and early 1960s. The virus in question—simian virus 40 (SV40)—was later discovered in polio vaccines distributed from 1954 to 1961.
This is not a conspiracy theory, it is a known medical fact, something that most are unaware of, even doctors, and those that do, would rather you weren't told.
According to the American Journal of Cancer, an estimated 100 million people in the United States, and many more globally, received these contaminated inoculations.
SV40 (Simian Virus 40) reportedly originated in rhesus monkeys. Kidney cells from those monkeys were used during the production of the early polio vaccine. Dr Jonas Salk, the creator of that polio vaccine, developed his formula using these monkey cells. Unbeknownst to Salk and his team at the time, many of the monkeys carried SV40, which was not detected or screened out during the vaccine's production.
It was not discovered until much later in the vaccine programme, after nearly 100 million people in the US had already been given the jab.
Barbara Loe Fisher, president of the National Vaccine Information Center, highlighted this issue in her 2003 testimony before the Subcommittee on Human Rights and Wellness in the US House of Representatives. Fisher had spent ten years investigating the situation.
Banned its sale in America, but kept giving it to Africans.
In response to the discovery of SV40, the US federal government amended its vaccine guidelines in 1961, targeting oral polio vaccines in particular. However, bizarrely, this didn't include Salk’s inactivated vaccine, which continued to be used. When voices became so loud that the government had no choice but to remove the contaminated Polio vaccine from the US market pharmaceutical companies began to push it in Africa, where it was given to millions more, by this time in full knowledge that the vaccine was contaminated with SV40.
Michael E. Horwin, writing for the Albany Law Journal of Science and Technology in 2003, documented how tainted vaccines remained in circulation even after regulatory changes were introduced. Furthermore, the American Journal of Cancer reported that contaminated oral vaccines continued to be found well beyond 1961.
SV40 is a known to cause cancer in animals.
The presence of SV40 in vaccines raises important questions about long-term health consequences for patients. While it is scientifically accepted that SV40 causes cancer in animals, the link between the virus and human cancers remains unacknowledged. Which begs the question why animal testing is done at all.
Cover-up.
Some medical experts, overwhelmingly those in the pay of the drugs companies, claim that there is no conclusive evidence of SV40 causing cancer in humans. However, independent studies have repeatedly found the virus in brain and lung tumours in both children and adults, suggesting that there is a strong causal link.
Adding further to the controversy, the US Centers for Disease Control and Prevention (CDC) published a fact sheet acknowledging the presence of SV40 in early polio vaccines, but mysteriously removed the sheet when it was picked up by some cancer sufferers.
It is thought that thousands of Africans given the contaminated vaccine subsequently died of rare and rapid cancers. However, due to poor record keeping and scant medical coverage, Pharmaceutical company can continue selling these knowingly dangerous products in Africa with impunity. As for the millions of Americans who received the contaminated jab, most are (blissfully) unaware that they vaccine they too as a child could well be the thing that kills them, not saves their life from a disease that had already disappeared.
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