character: Dr. Mark Thompson
topic: The History of Vaccination
grade: 9
subject: Science
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character: Edward Jenner
topic: Smallpox Vaccine Development
grade: 9
subject: Science
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character: Louis Pasteur
topic: The Germ Theory and Vaccination Advances
grade: 9
subject: Science
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character: Robert Koch
topic: Microbiology and Infectious Diseases
grade: 9
subject: Science
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