Study: Researchers Find ‘Significant Levels’ Of Plasmid DNA’ In COVID Vaccines

The researchers said their ‘findings extend existing concerns about vaccine safety.’

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(LifeSite) A new preprint study claims to have discovered “significant levels” of “plasmid DNA” in expired COVID-19 vaccines, impurities the researchers say may be linked to adverse events. The study, which is not yet peer-reviewed, calls for “further investigation” to corroborate the findings.

On Thursday, The Center for Open Science’s OSF Preprints posted a preprint study claiming to have discovered “plasmid DNA at significant levels in both Pfizer-BioNTech and Moderna modRNA vaccines.”


In the 31-page study, authors David J. Speicher, Jessica Rose, L. Maria Gutschi, David M. Wiseman, Ph.D., and Kevin McKernan said they had found “billions to hundreds of billions of DNA molecules per dose” that they gathered from “Expired unopened vials of Pfizer-BioNTech [shots] … and Moderna Spikevax mRNA” jabs “obtained from various pharmacies in Ontario, Canada.”

McKernan has argued that the alleged contamination could trigger serious health problems, including cancer.

“Our findings extend existing concerns about vaccine safety,” the authors said in the preprint, adding that the results also “call into question the relevance of guidelines conceived before the introduction of efficient transfection using [lipid nanoparticles].”

Pfizer and Moderna’s COVID-19 jabs contain lipid nanoparticles (LNPs), which are “tiny balls of fat” that act as delivery mechanisms for the mRNA vaccine.

The authors of the preprint noted that their research had been conducted “[w]ith several obvious limitations,” and urged a replication of their procedures “under forensic conditions.” They also called for guidelines to be “revised to account for highly efficient DNA transfection and cumulative dosing.”

According to the researchers, the “preliminary evidence of a dose-response effect of residual DNA measured with qPCR [quantitative polymerase chain reaction] and SAEs [severe adverse events] warrant confirmation and further investigation.”

The preprint’s authors have raised concern about vaccine contamination in the past.

Moreover, the polio jabs became contaminated due to the use of monkey kidney cells to grow the virus, Health Feedback noted, cell cultures that were not used in the making of the Pfizer shots — throwing doubt on how the SV40 contaminants got into the injections to begin with. Instead of monkey cells, the Pfizer and Moderna shots were developed using aborted human fetal cell lines, sparking major concerns for pro-life advocates and ethicists.

The concerns raised in the new preprint add to existing worries about the many remaining unknowns and potential risks connected to mRNA COVID-19 jabs.

Dr. Robert Malone, a pioneer of mRNA vaccine technology, has said that “gene therapy” is an accurate term for COVID jabs, and that he didn’t recommend that anyone, even the elderly, get vaccinated due to the potential for adverse effects. 

Moreover, as LifeSiteNews has extensively reported, Americans have long expressed serious skepticism about COVID-19 shots due to their failure to provide lasting protection, inability to stop transmission, and links to serious side effects, up to and including death.

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