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Claims that a survey conducted by South Korean researchers “proves” a causal nexus betwixt COVID-19 vaccines and an accrued hazard of up to six types of crab person gone viral successful caller days. These claims caused a question of misinformation, with salient figures and platforms utilizing their nonrecreational titles to lend credibility to them.
So however did this happen?
Who claimed the survey showed a nexus betwixt vaccines and cancer?
Social media accounts cited a survey titled “1-year risks of cancers associated with COVID-19 vaccination: a ample population-based cohort survey successful South Korea”, published successful Biomarker Research, an unfastened entree world journal. The survey utilized statistic from the South Korean wellness security database and recovered a pattern: individuals who received the vaccine were besides much apt to beryllium diagnosed with definite types of crab wrong 1 year. This statistical correlation was rapidly misrepresented arsenic definitive “proof” of a nonstop risk.
A misinformation run focused connected spreading specific, alarming numbers to disturbance panic, with influential figures utilizing their nonrecreational credentials to amplify the message.
For instance, the level Vigilant Fox, which defines itself arsenic a media institution founded by a “healthcare specializer turned autarkic journalist”, promoted the study, claiming it showed a 27 percent wide summation successful crab risk. It further listed exaggerated increases for circumstantial cancers, specified arsenic a 53 percent emergence successful lung crab and a 69 percent summation successful prostate cancer.
COVID vaccines linked to a 27% INCREASE successful wide crab risk, South Korean survey finds.
“There’s a 1 successful a 1000 accidental that this effect arose by chance,” Dr. John Campbell noted.@ChildrensHD reports:
The survey utilized information from 2021-2023 for implicit 8.4 cardinal radical in… pic.twitter.com/kDZ56rCV6w
— Vigilant Fox 🦊 (@VigilantFox) October 6, 2025
Then, Nicolas Hulscher, MPH, who identifies himself arsenic an “epidemiologist”, went further, falsely claiming that the vaccine increases the hazard of “seven types of cancer”, linking the survey to others without justification to asseverate that these cancers “all accrued importantly aft vaccination”.
🚨COVID-19 “Vaccines” Increase Your Risk of SEVEN Cancer Types
2 Landmark Studies tracked 8.7 MILLION radical successful Italy and South Korea — comparing vaccinated vs unvaccinated.
Breast, bladder, lung, prostate, thyroid, gastric, and colorectal cancers ALL surged aft vaccination. https://t.co/M03HJoUZOu pic.twitter.com/txQF0HRKIY
— Nicolas Hulscher, MPH (@NicHulscher) October 6, 2025
Peter A McCullough, MD, PhD, whose tweet supporting the assertion received much than fractional a cardinal views, and Dr Aseem Malhotra, a cardiologist and activist, some reinforced these claims.
BREAKING: Large Population Study Finds COVID-19 Vaccines Increase Risk of 6 Major Cancers
South Korea survey of 8.4 cardinal adults finds higher risks of overall, lung, prostate, thyroid, gastric, colorectal, and bosom cancers — crossed some mRNA and viral-vector platforms.… pic.twitter.com/2PLFn6u9HQ
— Peter A. McCullough, MD, MPH® (@P_McCulloughMD) September 28, 2025
Malhotra stated that the South Korean survey was “important and concerning”, frankincense adding undue “medical” value to the unfounded allegations.
I’m acrophobic 1 of Britain’s astir eminent oncologists Professor Angus Dalgleish whitethorn good beryllium close connected the covid ‘vaccines’ fuelling cancer. This survey published successful a precise respected precocious interaction diary is important and concerning https://t.co/oCc3zmovv1 pic.twitter.com/4fxSQtu7rQ
— Dr Aseem Malhotra (@DrAseemMalhotra) September 28, 2025
Additionally, the Children’s Health Defense organisation, which campaigns against puerility wellness epidemics, adopted this misleading communicative and published a report titled All COVID Vaccines Increase Cancer Risk, New Study Concludes.
What did they get wrong?
Al Jazeera’s fact-checking agency, Sanad, examined the archetypal survey and discovered that the promoters of this misinformation were omitting a cardinal operation from the excerpts they cited: “epidemiological relation without causal relationship”.
In technological terms, an “epidemiological association” indicates a statistical narration oregon communal signifier betwixt 2 events, without implying that 1 causes the other.
To illustrate, if crystal pick income emergence successful the summertime portion drowning incidents besides increase, determination is an epidemiological correlation, but this does not mean that crystal pick causes drowning; the communal origin is lukewarm upwind causing radical to devour crystal creams and spell swimming.
The manipulation occurs erstwhile this correlation is twisted into “definitive causality”, the trap influencers fell into. They ignored the technological warnings and promoted the assertion that vaccines “increase the risk”.
The existent mentation apt lies successful a improvement known arsenic “surveillance bias”. People who were much inclined to person the vaccine were often much diligent astir aesculapian check-ups and regular screenings, meaning crab was diagnosed earlier – not caused by the vaccine.
What did the South Korean survey really say?
Contrary to the claims circulating, the Korean researchers emphasised the limitations of their conclusions and denied offering immoderate grounds of causality.
In their conclusion, the study’s authors stated: “Given the constricted availability of real-world data, our population-based cohort survey successful Seoul, South Korea suggested epidemiological associations betwixt the cumulative incidence of cancers and COVID-19 vaccination, which varied by sex, property and vaccine type. However, further studies are warranted to elucidate imaginable causal relationships, including the underlying molecular mechanisms related to COVID-19 vaccine-induced hyperinflammation.”
This punctuation intelligibly shows that the survey presented lone “epidemiological associations” and called for further probe to research imaginable causal links. Therefore, immoderate assertion that vaccines “cause” crab is simply a nonstop distortion of the facts.
Is determination immoderate grounds that COVID vaccines bash origin cancer?
No. Beyond the contention surrounding the South Korean study, planetary aesculapian and technological authorities person unequivocally affirmed the information of the vaccines and person denied immoderate nexus to cancer.
Experts from BMJ, the aesculapian journal, person stated that determination is nary grounds supporting claims that mRNA vaccines are linked to cancer, noting that planetary epidemiological tracking information shows nary surge successful crab cases pursuing vaccine rollouts.
The Global Vaccine Data Network (GVDN) described the thought of a “cancer epidemic” caused by vaccines arsenic a story that contradicts biology and physics. They emphasised that determination is nary plausible biologic mechanics done which mRNA vaccines could origin cancer, arsenic these vaccines bash not incorporate unrecorded viruses and bash not participate the compartment nucleus.
In a abstracted study, Fox Chase Cancer Center, the probe institute, recovered that mRNA vaccines are safe, adjacent for individuals undergoing progressive crab treatment, with broadside effects comparable with those seen successful the wide population. The charity, Blood Cancer UK, besides urged patients to proceed receiving seasonal vaccinations, stressing that determination is nary large-scale, controlled survey showing an accrued crab hazard aft vaccination.
Finally, the National Cancer Institute successful the United States confirmed that “there is nary grounds that COVID-19 vaccines origin crab oregon pb to its recurrence oregon progression”. Thus, immoderate assertion that vaccines “cause” crab is simply a nonstop misrepresentation of technological facts and planetary epidemiological data.
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