character: Jonas Salk
topic: Contributions to the development of the Polio vaccine
grade: 11
subject: Science
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character: Albert Sabin
topic: Development of the oral polio vaccine
grade: 11
subject: Science
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character: Franklin Delano Roosevelt
topic: Impact of polio on public health and advocacy for research
grade: 11
subject: Science
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character: Dr. Thomas Francis Jr.
topic: Research collaboration with Salk on polio vaccine efficacy
grade: 11
subject: Science
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