Index/Topics/MMR Vaccine Controversy

MMR Vaccine Controversy

The controversy surrounding the MMR vaccine and its potential link to autism.

Fact-Checks

6 results
Jan 12, 2026
Most Viewed

is the mmr vaccine safe

The weight of decades of research and surveillance concludes that the MMR vaccine is safe for the vast majority of recipients and prevents serious, sometimes fatal, diseases—measles, mumps and rubella...

Jan 16, 2026
Most Viewed

What rare adverse events have been causally linked to MMR and how frequently do they occur?

The MMR vaccine has a well-established safety profile: common reactions are mild and transient (fever, rash, injection-site pain), while a small set of rare serious events have been causally linked to...

Jan 25, 2026
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are vaccines harmful

are not categorically harmful: the bulk of high-quality scientific evidence finds that approved vaccines have a strong safety record and that their public-health benefits generally far outweigh the sm...

Feb 7, 2026

What specific evidence did Brian Deer present to support claims of data falsification in the Wakefield paper?

’s multi-year investigation presented a constellation of documentary mismatches, medical-record contradictions, undisclosed financial ties, and recruitment irregularities that he argued amounted to de...

Jan 9, 2026

Without raw patient data no verification of drug or vaccine efficacy is possible

Raw patient-level data are indispensable for the fullest, independent verification of a drug or vaccine’s efficacy because they allow reanalysis, subgroup exploration, and detection of anomalies that ...

Jan 8, 2026

What did the BMJ and Brian Deer specifically document about Wakefield’s patient records and financial ties?

The BMJ, via a multi-part investigation by Brian Deer, documented that the 1998 Lancet paper by Andrew Wakefield misrepresented the medical histories of all 12 children in the study and that Wakefield...