Florida Surgeon General Joseph Ladapo Demands Answers from FDA, CDC on DNA Contamination in COVID Shots

by Debra Heine


Florida Surgeon General Joseph Ladapo has formally asked the Food and Drug Administration (FDA) and Centers for Disease Control and Prevention (CDC) to address recent scientific studies showing that the mRNA COVID shots are contaminated with DNA fragments.

Back in June, Microbiologist Kevin McKernan, a former researcher for the Massachusetts Institute of Technology Human Genome Project, announced that he had discovered simian virus 40 (SV40), a virus found in monkeys and humans, in the mRNA COVID-19 vaccines. SV40 has been linked to cancer in humans, including mesotheliomas, lymphomas and cancers of the brain and bone.

Cancer genomics expert Dr. Phillip Buckhaults, a former proponent of the mRNA shots who received the Pfizer Covid vax himself, confirmed the presence of DNA contaminants in the vaccines during a Senate hearing in South Carolina on September 15.


“I’m kind of alarmed about this DNA being in the vaccine – it’s different from RNA, because it can be permanent,” he stated at the hearing.

“There is a very real hazard,’ he said, that the contaminant DNA fragments will integrate with a person’s genome and become a ‘permanent fixture of the cell’ leading to autoimmune problems and cancers in some people who have had the vaccinations.” The doctor noted that these genome changes can “last for generations.”

Buckhaults added, “I think this is a real serious regulatory oversight that happened at the federal level.”

On October 19, Health Canada acknowledged the presence of DNA contamination in Pfizer COVID-19 vaccines, and also confirmed that Pfizer did not disclose the contamination to the public health regulator.

During a livestream House hearing hosted by Rep. Marjorie Taylor Greene (R-Ga.) last month, vaccinologist Dr. Robert Malone stated that Pfizer and Moderna’s lack of transparency regarding DNA contamination in its COVID-19 shots “meets the criteria for evidence of fraud.”

“They [Pfizer and Moderna] absolutely did know about the existence of SV40 sequences,” Malone told Republican lawmakers on November 13.

In a letter to FDA Commissioner Robert Califf, MD, and CC’d to CDC Director Mandy Cohen, MD, Dr. Ladapo pointed out that the integration of DNA fragments into human cells can lead to oncogenesis, the process through which healthy cells become transformed into cancer cells, a risk, he noted, the FDA has previously acknowledged.

The Florida surgeon general also noted that “DNA integration may result in chromosomal instability” and “could affect unintended parts of the body including blood, heart, brain, liver, kidney, bone marrow, ovaries/testes, lung, draining lymph nodes, spleen, the site of administration and subcutis at injection site.”

“I am writing to you to address the recent discovery of host cell DNA fragments within the Pfizer and Moderna COVID-19 mRNA vaccines,” Ladapo wrote.

This raises concerns regarding the presence of nucleic acid contaminants in the approved Pfizer and Moderna COVID-19 mRNA vaccines, particularly in the presence of lipid nanoparticle complexes, and Simian Virus 40 (SV40) promoter/enhancer DNA. Lipid nanoparticles are an efficient vehicle for delivery of the mRNA in the COVID-19 vaccines into human cells, and may therefore be an equally efficient vehicle for delivering contaminant DNA into human cells. The presence of SV40 promoter/enhancer DNA may also pose a unique and heightened risk of DNA integration into host cells.

In 2007, the FDA published guidance on regulatory limits for DNA vaccines in the Guidance for Industry: Considerations for Plasmid DNA Vaccines for Infectious Disease Indications (Guidance for Industry). This Guidance for Industry highlights important considerations for vaccines that use novel methods of delivery regarding DNA integration DNA integration could theoretically impact a human’s oncogenes – the genes which can transform a healthy cell into a cancerous cell.

Ladapo said that “it is essential to human health” for the agencies “to assess the risks of contaminant DNA integration into human DNA.”

He pressed for answers to several questions:

1. Have drug manufacturers evaluated the risk of human genome integration or mutagenesis of residual DNA contaminants from the mRNA COVID-19 vaccines alongside the additional risk of DNA integration from the lipid nanoparticle delivery system and SV40 promoter/enhancer? Has FDA inquired any information from the drug manufacturers to investigate such risk?

2. Do current FDA standards for acceptable and safe quantity of residual DNA (present as known contaminants in biological therapies) consider the lipid nanoparticle delivery system for the mRNA COVID-19 vaccines?

3. Considering the potentially wide biodistribution of mRNA COVID-19 vaccines and DNA contaminants beyond the local injection site, have you evaluated the risk of DNA integration in reproductive cells with respect to the lipid nanoparticle delivery system?”

The surgeon general also complained that a letter sent to Califf and former CDC Director Rochelle Walensky last spring highlighting concerns over the safety and effectiveness of COVID-19 injections was ignored.

Ladapo requested a written response by December 13, 2023, to both his previous letter and the concerns outlined above.

“The American people and the scientific community have a right to have all relevant information pertaining to the COVID-19 vaccines to properly inform individual decision making,” Ladapo wrote. “I look forward to promptly hearing from you.”

On X, Ladapo added, “If he [Califf] doesn’t have answers, who gave him the right to treat human beings as guinea pigs?”

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Debra Heine reports for American Greatness. 





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