character: Dr. Albert Sabin
topic: Introduction of the Oral Polio Vaccine
grade: 9
subject: Science
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character: Jonas Salk
topic: Development of the Inactivated Polio Vaccine
grade: 9
subject: Science
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character: Paul Offit
topic: Impact of Vaccines on Public Health
grade: 9
subject: Science
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character: Dr. Edward Jenner
topic: The First Vaccine and Its Legacy
grade: 9
subject: Science
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