character: Edward Jenner
topic: The Birth of Vaccination: Smallpox and Its Eradication
grade: 9
subject: Science
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character: Louis Pasteur
topic: Development of Vaccines: Chicken Cholera and Rabies
grade: 9
subject: Science
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character: Robert Koch
topic: Germ Theory and Infectious Diseases
grade: 9
subject: Science
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character: Jonas Salk
topic: Polio Vaccine Development
grade: 9
subject: Science
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