character: Edward Jenner
topic: Development of Smallpox Vaccination
grade: 9
subject: Science
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character: Louis Pasteur
topic: Germ Theory and Vaccination Advances
grade: 9
subject: Science
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character: Jonas Salk
topic: Polio Vaccine and its Impact
grade: 9
subject: Science
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character: Albert Calmette
topic: Bacillus Calmette-Guérin (BCG) Vaccine Development
grade: 9
subject: Science
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