character: Edward Jenner
topic: Pioneering Vaccination Techniques
grade: 9
subject: Science
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character: Louis Pasteur
topic: Development of Vaccines
grade: 9
subject: Science
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character: Jonas Salk
topic: Polio Vaccine Innovations
grade: 9
subject: Science
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character: Robert Koch
topic: Germ Theory and Vaccination
grade: 9
subject: Science
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