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A Broken Trust: Lessons from the Vaccine–Autism Wars

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From heroes to villains.

When researchers announced in 1955 that a nationwide trial showed that the first polio vaccine was safe and effective, inventor Jonas Salk was greeted as a national hero. Today, rotavirus vaccine inventor Paul Offit (right, with co-inventor H. Fred Clark) routinely endures vitriolic attacks on his credibility, along with death threats, for defending the safety of vaccines. (Photo credit: The Children's Hospital of Philadelphia).

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