Fact Check – Does a South Korea study prove COVID-19 vaccines increase cancer risk?

Media Bias Fact Check (MBFC) publishes daily vetted fact checks from verified IFCN-approved sources. Each claim is independently reviewed for accuracy and context.


Claimant: Retired Nurse John Campbell


Claim: South Korea study shows COVID-19 vaccines increase the risk of cancer.


Rating: MISLEADING


Explanation: The study cited had serious methodological flaws and only reported correlation, not causation. It does not provide valid evidence that COVID-19 vaccines cause cancer.


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Date: 10/28/2025


 

Last Updated on October 31, 2025 by Media Bias Fact Check

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