character: Dr. Albert Sabin
topic: Development of the Oral Polio Vaccine
grade: 10
subject: Biology
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character: Jonas Salk
topic: Invention of the Inactivated Polio Vaccine
grade: 10
subject: Biology
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character: Dr. Thomas Frances
topic: Clinical Trials of the Polio Vaccine
grade: 10
subject: Biology
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character: Polio Virus
topic: Impact on Public Health and Vaccination Efforts
grade: 10
subject: Biology
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