character: Edward Jenner
topic: Development of Vaccination
grade: 12
subject: Biology
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character: Smallpox
topic: Disease Eradication through Vaccination
grade: 12
subject: Biology
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character: Vaccination
topic: Principles of Immunology
grade: 12
subject: Biology
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character: Variolation
topic: Historical Methods of Disease Prevention
grade: 12
subject: Biology
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