character: Dr. Sarah Thompson
topic: History and Development of Vaccines
grade: 9
subject: Biology
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character: Louis Pasteur
topic: Germ Theory and Vaccine Development
grade: 9
subject: Biology
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character: Edward Jenner
topic: The First Smallpox Vaccine
grade: 9
subject: Biology
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character: Jonas Salk
topic: Polio Vaccine Development
grade: 9
subject: Biology
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