"mRNA is now officially in pork and shrimp to alter your DNA and get you 'vaccinated'. Zero labels," a June 14, 2026 Facebook post claims.
Keyword searches trace the claim to nutritionist and Saskatchewan farm executive John Graff who spoke in 2024 during a virtual conference hosted by Vaccine Choice Canada -- an advocacy group that spearheaded legal action against the Canadian government's coronavirus response (archived here).
During the presentation, Graff made numerous unsupported claims about mRNA vaccines being distributed through food and limiting the human body's ability to fight cancer.
Claims about shrimp and vaccines resurfaced in widely shared Instagram, Threads and X posts in 2026.
Graff told AFP on July 2 that he stood by his claims in the video. He referenced a researcher who published a paper claiming mRNA vaccines cause cancer, which the journal retracted (archived here). He also cited and testimonies from the National Citizen's Inquiry (NCI), an organization unaffiliated with the government that examined Canada's Covid-19 response. AFP previously fact-checked claims made during NCI presentations, finding its panelists spread pandemic misinformation.
Messenger ribonucleic acid, commonly known as mRNA, is a naturally occurring molecule in all living cells. mRNA copies instructions encoded on DNA and transports them to other parts of the cell where they are used to produce proteins (archived here).
Most vaccines use dead or inactive samples of a disease to...
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