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Health Canada on Thursday confirmed the presence of DNA contamination in Pfizer COVID-19 vaccines and also confirmed that Pfizer did not disclose the contamination to the public health authority.
In what one scientist described as an “admission of epic proportions,” Health Canada on Thursday confirmed the presence of DNA contamination in Pfizer COVID-19 vaccines, and also confirmed that Pfizer did not disclose the contamination to the public health authority.
The DNA contamination includes the Simian Virus 40 (SV40) promoter and enhancer Pfizer did not previously disclose and that some experts say is a cancer risk due to potential integration with the human genome.
Health Canada, the country’s public health authority, told The Epoch Times that while Pfizer provided the full DNA sequences of the plasmid in its vaccine at the time of the initial submission, the vaccine maker “did not specifically identify the SV40 sequence.”
“Health Canada expects sponsors to identify any biologically functional DNA sequences within a plasmid (such as an SV40 enhancer) at the time of submission,” it said.
