character: Dr. Mark Thompson
topic: The History and Development of Vaccines
grade: 9
subject: Science
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character: Louis Pasteur
topic: Contributions to Microbiology and Vaccination
grade: 9
subject: Science
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character: Edward Jenner
topic: The Smallpox Vaccine and Its Impact
grade: 9
subject: Science
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character: Jonas Salk
topic: The Polio Vaccine Development
grade: 9
subject: Science
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