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: Robert F. Kennedy Jr.
Claim: The measles, mumps and rubella vaccine contains tissue from aborted fetuses.
Rating: FALSE
Explanation: The rubella component of the MMR vaccine is produced using a decades-old fetal cell line. However, the vaccine is purified during manufacturing and does not contain fetal tissue or fetal cells.
Date: 09/01/2026
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Last Updated on September 1, 2026 by Media Bias Fact Check