Vaccine cancer risk
September 30, 2025
154,226
15,984
3,119
12.39%
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Dr John Campbell Episodes Around September 30, 2025
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18:06Now PlayingVaccine cancer risk
YouTube Description
as posted by the channelDo not introduce Digital ID cards,
1-year risks of cancers associated with COVID-19 vaccination: a large population-based cohort study in South Korea
Large-scale population-based retrospective study in South Korea
To estimate the cumulative incidences and subsequent risks of overall cancers 1 year after COVID-19 vaccination.
Data N= 8,407,849
Between 2021 and 2023
Korean National Health Insurance database.
The participants were categorized into two groups based on their COVID-19 vaccination status.
Cancers significantly increased, 1 year post-vaccination
Thyroid HR, 1.351
(95% CI, 1.206–1.514)
Gastric HR, 1.335
(95% CI, 1.130–1.576)
Colorectal HR, 1.283
(95% CI, 1.122–1.468)
Lung HR, 1.533
(95% CI, 1.254–1.874)
Breast HR, 1.197
(95% CI, 1.069–1.340)
Prostate HR, 1.687
(95% CI, 1.348–2.111)
cDNA vaccines
Associated with the increased risks of:
Thyroid, gastric, colorectal, lung, prostate cancers
mRNA vaccines
Linked to the increased risks of:
Thyroid, colorectal, lung, breast cancers
Heterologous vaccination
Related to the increased risks of:
Thyroid, breast cancers.
Observed associations between COVID-19 vaccination and cancer incidence
Vaccinated men
More vulnerable to gastric and lung cancers
Vaccinated women
More susceptible to thyroid and colorectal cancers.
Population under 65
More vulnerable to thyroid and breast cancers
Population over 75
More susceptible to prostate cancer
COVID-19 vaccination-associated cancer risk was likely more elevated among individuals aged ≤ 65
(except prostate cancer)
Booster doses
Gastric and pancreatic cancers
Mechanisms from the paper
Renin–angiotensin–aldosterone system
Mutagenicity
Inflammatory cascade
Underlying molecular mechanisms
And he causeth all, both small and great, rich and poor, free and bond, to receive a mark in their right hand, or in their foreheads:
And that no man might buy or sell, save he that had the mark, or the name of the beast, or the number of his name.
Here is wisdom. Let him that hath understanding count the number of the beast: for it is the number of a man; and his number is Six hundred threescore and six.
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