On February 28, 1998, Dr. Andrew Wakefield published an article in the Lancet on 12 children "with a history of pervasive developmental disorder and intestinal symptoms. Onset of behavioral symptoms was associated, by the parents, with measles, mumps, and rubella vaccination in eight of the 12 children." Though not claiming the MMR vaccine caused the symptoms, adding what parents thought certainly raised the possibility. Statements and articles by Wakefield suggested he believed such a link

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... able. Vaccination rates plummeted in the UK and outbreaks of vaccine preventable diseases followed. Investigative journalist Brian Deer uncovered dishonest and unethical medical practices by Wakefield, resulting in Wakefield losing his medical license. Rather than appeal the decision, Wakefield wrote a book, "Callous Disregard: Autism and Vaccines -The Truth Behind a Tragedy," wherein he claims loss of his license was a political attempt to silence his criticism of vaccine safety. This paper examines the validity of Wakefield's claims. A careful review of publicly available information makes it clear that Wakefield's claims regarding vaccine safety are wrong. It is hoped that this review will be used by doctors and public health personnel to encourage parents hesitating to have their children vaccinated to question anti-vaccination claims in general, given that many proponents often refer to Wakefield as an authority and display in their own writings and pronouncements similar erroneous claims.